488778900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 1507403520

約数和(自身を除く): 1018624620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 239, 255, 300, 340, 401, 425, 478, 510, 717, 802, 850, 956, 1020, 1195, 1203, 1275, 1434, 1604, 1700, 2005, 2390, 2406, 2550, 2868, 3585, 4010, 4063, 4780, 4812, 5100, 5975, 6015, 6817, 7170, 8020, 8126, 10025, 11950, 12030, 12189, 13634, 14340, 16252, 17925, 20050, 20315, 20451, 23900, 24060, 24378, 27268, 30075, 34085, 35850, 40100, 40630, 40902, 48756, 60150, 60945, 68170, 71700, 81260, 81804, 95839, 101575, 102255, 120300, 121890, 136340, 170425, 191678, 203150, 204510, 243780, 287517, 304725, 340850, 383356, 406300, 409020, 479195, 511275, 575034, 609450, 681700, 958390, 1022550, 1150068, 1218900, 1437585, 1629263, 1916780, 2045100, 2395975, 2875170, 3258526, 4791950, 4887789, 5750340, 6517052, 7187925, 8146315, 9583900, 9775578, 14375850, 16292630, 19551156, 24438945, 28751700, 32585260, 40731575, 48877890, 81463150, 97755780, 122194725, 162926300, 244389450, 488778900]

約数ペア:

[(1, 488778900), (2, 244389450), (3, 162926300), (4, 122194725), (5, 97755780), (6, 81463150), (10, 48877890), (12, 40731575), (15, 32585260), (17, 28751700), (20, 24438945), (25, 19551156), (30, 16292630), (34, 14375850), (50, 9775578), (51, 9583900), (60, 8146315), (68, 7187925), (75, 6517052), (85, 5750340), (100, 4887789), (102, 4791950), (150, 3258526), (170, 2875170), (204, 2395975), (239, 2045100), (255, 1916780), (300, 1629263), (340, 1437585), (401, 1218900), (425, 1150068), (478, 1022550), (510, 958390), (717, 681700), (802, 609450), (850, 575034), (956, 511275), (1020, 479195), (1195, 409020), (1203, 406300), (1275, 383356), (1434, 340850), (1604, 304725), (1700, 287517), (2005, 243780), (2390, 204510), (2406, 203150), (2550, 191678), (2868, 170425), (3585, 136340), (4010, 121890), (4063, 120300), (4780, 102255), (4812, 101575), (5100, 95839), (5975, 81804), (6015, 81260), (6817, 71700), (7170, 68170), (8020, 60945), (8126, 60150), (10025, 48756), (11950, 40902), (12030, 40630), (12189, 40100), (13634, 35850), (14340, 34085), (16252, 30075), (17925, 27268), (20050, 24378), (20315, 24060), (20451, 23900)]