90487400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{7417}}^1$

素因数の和:7494

約数の個数: 48

約数和(自身を含む): 213860940

約数和(自身を除く): 123373540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 7417, 12200, 14834, 29668, 37085, 59336, 74170, 148340, 185425, 296680, 370850, 452437, 741700, 904874, 1483400, 1809748, 2262185, 3619496, 4524370, 9048740, 11310925, 18097480, 22621850, 45243700, 90487400]

約数ペア:

[(1, 90487400), (2, 45243700), (4, 22621850), (5, 18097480), (8, 11310925), (10, 9048740), (20, 4524370), (25, 3619496), (40, 2262185), (50, 1809748), (61, 1483400), (100, 904874), (122, 741700), (200, 452437), (244, 370850), (305, 296680), (488, 185425), (610, 148340), (1220, 74170), (1525, 59336), (2440, 37085), (3050, 29668), (6100, 14834), (7417, 12200)]