278278000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 320

約数和(自身を含む): 909941760

約数和(自身を除く): 631663760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 25, 26, 28, 35, 40, 44, 50, 52, 55, 56, 65, 70, 77, 80, 88, 91, 100, 104, 110, 112, 125, 130, 139, 140, 143, 154, 175, 176, 182, 200, 208, 220, 250, 260, 275, 278, 280, 286, 308, 325, 350, 364, 385, 400, 440, 455, 500, 520, 550, 556, 560, 572, 616, 650, 695, 700, 715, 728, 770, 875, 880, 910, 973, 1000, 1001, 1040, 1100, 1112, 1144, 1232, 1300, 1375, 1390, 1400, 1430, 1456, 1529, 1540, 1625, 1750, 1807, 1820, 1925, 1946, 2000, 2002, 2200, 2224, 2275, 2288, 2600, 2750, 2780, 2800, 2860, 3058, 3080, 3250, 3475, 3500, 3575, 3614, 3640, 3850, 3892, 4004, 4400, 4550, 4865, 5005, 5200, 5500, 5560, 5720, 6116, 6160, 6500, 6950, 7000, 7150, 7228, 7280, 7645, 7700, 7784, 8008, 9035, 9100, 9625, 9730, 10010, 10703, 11000, 11120, 11375, 11440, 12232, 12649, 13000, 13900, 14000, 14300, 14456, 15290, 15400, 15568, 16016, 17375, 17875, 18070, 18200, 19250, 19460, 19877, 20020, 21406, 22000, 22750, 24325, 24464, 25025, 25298, 26000, 27800, 28600, 28912, 30580, 30800, 34750, 35750, 36140, 36400, 38225, 38500, 38920, 39754, 40040, 42812, 45175, 45500, 48650, 50050, 50596, 53515, 55600, 57200, 61160, 63245, 69500, 71500, 72280, 76450, 77000, 77840, 79508, 80080, 85624, 90350, 91000, 97300, 99385, 100100, 101192, 107030, 121625, 122320, 125125, 126490, 139000, 139139, 143000, 144560, 152900, 154000, 159016, 171248, 180700, 182000, 191125, 194600, 198770, 200200, 202384, 214060, 225875, 243250, 250250, 252980, 267575, 278000, 278278, 286000, 305800, 316225, 318032, 361400, 382250, 389200, 397540, 400400, 428120, 451750, 486500, 496925, 500500, 505960, 535150, 556556, 611600, 632450, 695695, 722800, 764500, 795080, 856240, 903500, 973000, 993850, 1001000, 1011920, 1070300, 1113112, 1264900, 1337875, 1391390, 1529000, 1581125, 1590160, 1807000, 1946000, 1987700, 2002000, 2140600, 2226224, 2484625, 2529800, 2675750, 2782780, 3058000, 3162250, 3478475, 3614000, 3975400, 4281200, 4969250, 5059600, 5351500, 5565560, 6324500, 6956950, 7950800, 9938500, 10703000, 11131120, 12649000, 13913900, 17392375, 19877000, 21406000, 25298000, 27827800, 34784750, 39754000, 55655600, 69569500, 139139000, 278278000]

約数ペア:

[(1, 278278000), (2, 139139000), (4, 69569500), (5, 55655600), (7, 39754000), (8, 34784750), (10, 27827800), (11, 25298000), (13, 21406000), (14, 19877000), (16, 17392375), (20, 13913900), (22, 12649000), (25, 11131120), (26, 10703000), (28, 9938500), (35, 7950800), (40, 6956950), (44, 6324500), (50, 5565560), (52, 5351500), (55, 5059600), (56, 4969250), (65, 4281200), (70, 3975400), (77, 3614000), (80, 3478475), (88, 3162250), (91, 3058000), (100, 2782780), (104, 2675750), (110, 2529800), (112, 2484625), (125, 2226224), (130, 2140600), (139, 2002000), (140, 1987700), (143, 1946000), (154, 1807000), (175, 1590160), (176, 1581125), (182, 1529000), (200, 1391390), (208, 1337875), (220, 1264900), (250, 1113112), (260, 1070300), (275, 1011920), (278, 1001000), (280, 993850), (286, 973000), (308, 903500), (325, 856240), (350, 795080), (364, 764500), (385, 722800), (400, 695695), (440, 632450), (455, 611600), (500, 556556), (520, 535150), (550, 505960), (556, 500500), (560, 496925), (572, 486500), (616, 451750), (650, 428120), (695, 400400), (700, 397540), (715, 389200), (728, 382250), (770, 361400), (875, 318032), (880, 316225), (910, 305800), (973, 286000), (1000, 278278), (1001, 278000), (1040, 267575), (1100, 252980), (1112, 250250), (1144, 243250), (1232, 225875), (1300, 214060), (1375, 202384), (1390, 200200), (1400, 198770), (1430, 194600), (1456, 191125), (1529, 182000), (1540, 180700), (1625, 171248), (1750, 159016), (1807, 154000), (1820, 152900), (1925, 144560), (1946, 143000), (2000, 139139), (2002, 139000), (2200, 126490), (2224, 125125), (2275, 122320), (2288, 121625), (2600, 107030), (2750, 101192), (2780, 100100), (2800, 99385), (2860, 97300), (3058, 91000), (3080, 90350), (3250, 85624), (3475, 80080), (3500, 79508), (3575, 77840), (3614, 77000), (3640, 76450), (3850, 72280), (3892, 71500), (4004, 69500), (4400, 63245), (4550, 61160), (4865, 57200), (5005, 55600), (5200, 53515), (5500, 50596), (5560, 50050), (5720, 48650), (6116, 45500), (6160, 45175), (6500, 42812), (6950, 40040), (7000, 39754), (7150, 38920), (7228, 38500), (7280, 38225), (7645, 36400), (7700, 36140), (7784, 35750), (8008, 34750), (9035, 30800), (9100, 30580), (9625, 28912), (9730, 28600), (10010, 27800), (10703, 26000), (11000, 25298), (11120, 25025), (11375, 24464), (11440, 24325), (12232, 22750), (12649, 22000), (13000, 21406), (13900, 20020), (14000, 19877), (14300, 19460), (14456, 19250), (15290, 18200), (15400, 18070), (15568, 17875), (16016, 17375)]