254002840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2313

約数の個数: 128

約数和(自身を含む): 726405120

約数和(自身を除く): 472402280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1612, 1736, 1820, 2015, 2170, 2251, 2821, 3224, 3640, 4030, 4340, 4502, 5642, 8060, 8680, 9004, 11255, 11284, 14105, 15757, 16120, 18008, 22510, 22568, 28210, 29263, 31514, 45020, 56420, 58526, 63028, 69781, 78785, 90040, 112840, 117052, 126056, 139562, 146315, 157570, 204841, 234104, 279124, 292630, 315140, 348905, 409682, 488467, 558248, 585260, 630280, 697810, 819364, 907153, 976934, 1024205, 1170520, 1395620, 1638728, 1814306, 1953868, 2048410, 2442335, 2791240, 3628612, 3907736, 4096820, 4535765, 4884670, 6350071, 7257224, 8193640, 9071530, 9769340, 12700142, 18143060, 19538680, 25400284, 31750355, 36286120, 50800568, 63500710, 127001420, 254002840]

約数ペア:

[(1, 254002840), (2, 127001420), (4, 63500710), (5, 50800568), (7, 36286120), (8, 31750355), (10, 25400284), (13, 19538680), (14, 18143060), (20, 12700142), (26, 9769340), (28, 9071530), (31, 8193640), (35, 7257224), (40, 6350071), (52, 4884670), (56, 4535765), (62, 4096820), (65, 3907736), (70, 3628612), (91, 2791240), (104, 2442335), (124, 2048410), (130, 1953868), (140, 1814306), (155, 1638728), (182, 1395620), (217, 1170520), (248, 1024205), (260, 976934), (280, 907153), (310, 819364), (364, 697810), (403, 630280), (434, 585260), (455, 558248), (520, 488467), (620, 409682), (728, 348905), (806, 315140), (868, 292630), (910, 279124), (1085, 234104), (1240, 204841), (1612, 157570), (1736, 146315), (1820, 139562), (2015, 126056), (2170, 117052), (2251, 112840), (2821, 90040), (3224, 78785), (3640, 69781), (4030, 63028), (4340, 58526), (4502, 56420), (5642, 45020), (8060, 31514), (8680, 29263), (9004, 28210), (11255, 22568), (11284, 22510), (14105, 18008), (15757, 16120)]