199799600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 240

約数和(自身を含む): 645792000

約数和(自身を除く): 445992400

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, 130, 140, 143, 154, 175, 176, 182, 200, 208, 220, 260, 275, 280, 286, 308, 325, 350, 364, 385, 400, 440, 455, 499, 520, 550, 560, 572, 616, 650, 700, 715, 728, 770, 880, 910, 998, 1001, 1040, 1100, 1144, 1232, 1300, 1400, 1430, 1456, 1540, 1820, 1925, 1996, 2002, 2200, 2275, 2288, 2495, 2600, 2800, 2860, 3080, 3493, 3575, 3640, 3850, 3992, 4004, 4400, 4550, 4990, 5005, 5200, 5489, 5720, 6160, 6487, 6986, 7150, 7280, 7700, 7984, 8008, 9100, 9980, 10010, 10978, 11440, 12475, 12974, 13972, 14300, 15400, 16016, 17465, 18200, 19960, 20020, 21956, 24950, 25025, 25948, 27445, 27944, 28600, 30800, 32435, 34930, 36400, 38423, 39920, 40040, 43912, 45409, 49900, 50050, 51896, 54890, 55888, 57200, 64870, 69860, 71357, 76846, 80080, 87325, 87824, 90818, 99800, 100100, 103792, 109780, 129740, 137225, 139720, 142714, 153692, 162175, 174650, 181636, 192115, 199600, 200200, 219560, 227045, 259480, 274450, 279440, 285428, 307384, 324350, 349300, 356785, 363272, 384230, 400400, 439120, 454090, 499499, 518960, 548900, 570856, 614768, 648700, 698600, 713570, 726544, 768460, 908180, 960575, 998998, 1097800, 1135225, 1141712, 1297400, 1397200, 1427140, 1536920, 1783925, 1816360, 1921150, 1997996, 2195600, 2270450, 2497495, 2594800, 2854280, 3073840, 3567850, 3632720, 3842300, 3995992, 4540900, 4994990, 5708560, 7135700, 7684600, 7991984, 9081800, 9989980, 12487475, 14271400, 15369200, 18163600, 19979960, 24974950, 28542800, 39959920, 49949900, 99899800, 199799600]

約数ペア:

[(1, 199799600), (2, 99899800), (4, 49949900), (5, 39959920), (7, 28542800), (8, 24974950), (10, 19979960), (11, 18163600), (13, 15369200), (14, 14271400), (16, 12487475), (20, 9989980), (22, 9081800), (25, 7991984), (26, 7684600), (28, 7135700), (35, 5708560), (40, 4994990), (44, 4540900), (50, 3995992), (52, 3842300), (55, 3632720), (56, 3567850), (65, 3073840), (70, 2854280), (77, 2594800), (80, 2497495), (88, 2270450), (91, 2195600), (100, 1997996), (104, 1921150), (110, 1816360), (112, 1783925), (130, 1536920), (140, 1427140), (143, 1397200), (154, 1297400), (175, 1141712), (176, 1135225), (182, 1097800), (200, 998998), (208, 960575), (220, 908180), (260, 768460), (275, 726544), (280, 713570), (286, 698600), (308, 648700), (325, 614768), (350, 570856), (364, 548900), (385, 518960), (400, 499499), (440, 454090), (455, 439120), (499, 400400), (520, 384230), (550, 363272), (560, 356785), (572, 349300), (616, 324350), (650, 307384), (700, 285428), (715, 279440), (728, 274450), (770, 259480), (880, 227045), (910, 219560), (998, 200200), (1001, 199600), (1040, 192115), (1100, 181636), (1144, 174650), (1232, 162175), (1300, 153692), (1400, 142714), (1430, 139720), (1456, 137225), (1540, 129740), (1820, 109780), (1925, 103792), (1996, 100100), (2002, 99800), (2200, 90818), (2275, 87824), (2288, 87325), (2495, 80080), (2600, 76846), (2800, 71357), (2860, 69860), (3080, 64870), (3493, 57200), (3575, 55888), (3640, 54890), (3850, 51896), (3992, 50050), (4004, 49900), (4400, 45409), (4550, 43912), (4990, 40040), (5005, 39920), (5200, 38423), (5489, 36400), (5720, 34930), (6160, 32435), (6487, 30800), (6986, 28600), (7150, 27944), (7280, 27445), (7700, 25948), (7984, 25025), (8008, 24950), (9100, 21956), (9980, 20020), (10010, 19960), (10978, 18200), (11440, 17465), (12475, 16016), (12974, 15400), (13972, 14300)]