421392400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 240

約数和(自身を含む): 1220546880

約数和(自身を除く): 799154480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 53, 55, 65, 80, 88, 100, 104, 106, 110, 130, 139, 143, 176, 200, 208, 212, 220, 260, 265, 275, 278, 286, 325, 400, 424, 440, 520, 530, 550, 556, 572, 583, 650, 689, 695, 715, 848, 880, 1040, 1060, 1100, 1112, 1144, 1166, 1300, 1325, 1378, 1390, 1430, 1529, 1807, 2120, 2200, 2224, 2288, 2332, 2600, 2650, 2756, 2780, 2860, 2915, 3058, 3445, 3475, 3575, 3614, 4240, 4400, 4664, 5200, 5300, 5512, 5560, 5720, 5830, 6116, 6890, 6950, 7150, 7228, 7367, 7579, 7645, 9035, 9328, 10600, 11024, 11120, 11440, 11660, 12232, 13780, 13900, 14300, 14456, 14575, 14734, 15158, 15290, 17225, 18070, 19877, 21200, 23320, 24464, 27560, 27800, 28600, 28912, 29150, 29468, 30316, 30580, 34450, 36140, 36835, 37895, 38225, 39754, 45175, 46640, 55120, 55600, 57200, 58300, 58936, 60632, 61160, 68900, 72280, 73670, 75790, 76450, 79508, 81037, 90350, 95771, 99385, 116600, 117872, 121264, 122320, 137800, 144560, 147340, 151580, 152900, 159016, 162074, 180700, 184175, 189475, 191542, 198770, 233200, 275600, 294680, 303160, 305800, 318032, 324148, 361400, 368350, 378950, 383084, 397540, 405185, 478855, 496925, 589360, 606320, 611600, 648296, 722800, 736700, 757900, 766168, 795080, 810370, 957710, 993850, 1053481, 1296592, 1473400, 1515800, 1532336, 1590160, 1620740, 1915420, 1987700, 2025925, 2106962, 2394275, 2946800, 3031600, 3241480, 3830840, 3975400, 4051850, 4213924, 4788550, 5267405, 6482960, 7661680, 7950800, 8103700, 8427848, 9577100, 10534810, 16207400, 16855696, 19154200, 21069620, 26337025, 32414800, 38308400, 42139240, 52674050, 84278480, 105348100, 210696200, 421392400]

約数ペア:

[(1, 421392400), (2, 210696200), (4, 105348100), (5, 84278480), (8, 52674050), (10, 42139240), (11, 38308400), (13, 32414800), (16, 26337025), (20, 21069620), (22, 19154200), (25, 16855696), (26, 16207400), (40, 10534810), (44, 9577100), (50, 8427848), (52, 8103700), (53, 7950800), (55, 7661680), (65, 6482960), (80, 5267405), (88, 4788550), (100, 4213924), (104, 4051850), (106, 3975400), (110, 3830840), (130, 3241480), (139, 3031600), (143, 2946800), (176, 2394275), (200, 2106962), (208, 2025925), (212, 1987700), (220, 1915420), (260, 1620740), (265, 1590160), (275, 1532336), (278, 1515800), (286, 1473400), (325, 1296592), (400, 1053481), (424, 993850), (440, 957710), (520, 810370), (530, 795080), (550, 766168), (556, 757900), (572, 736700), (583, 722800), (650, 648296), (689, 611600), (695, 606320), (715, 589360), (848, 496925), (880, 478855), (1040, 405185), (1060, 397540), (1100, 383084), (1112, 378950), (1144, 368350), (1166, 361400), (1300, 324148), (1325, 318032), (1378, 305800), (1390, 303160), (1430, 294680), (1529, 275600), (1807, 233200), (2120, 198770), (2200, 191542), (2224, 189475), (2288, 184175), (2332, 180700), (2600, 162074), (2650, 159016), (2756, 152900), (2780, 151580), (2860, 147340), (2915, 144560), (3058, 137800), (3445, 122320), (3475, 121264), (3575, 117872), (3614, 116600), (4240, 99385), (4400, 95771), (4664, 90350), (5200, 81037), (5300, 79508), (5512, 76450), (5560, 75790), (5720, 73670), (5830, 72280), (6116, 68900), (6890, 61160), (6950, 60632), (7150, 58936), (7228, 58300), (7367, 57200), (7579, 55600), (7645, 55120), (9035, 46640), (9328, 45175), (10600, 39754), (11024, 38225), (11120, 37895), (11440, 36835), (11660, 36140), (12232, 34450), (13780, 30580), (13900, 30316), (14300, 29468), (14456, 29150), (14575, 28912), (14734, 28600), (15158, 27800), (15290, 27560), (17225, 24464), (18070, 23320), (19877, 21200)]