90631420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2251

約数の個数: 72

約数和(自身を含む): 221607792

約数和(自身を除く): 130976372

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1870, 2057, 2203, 2420, 3740, 4114, 4406, 8228, 8812, 10285, 11015, 20570, 22030, 24233, 37451, 41140, 44060, 48466, 74902, 96932, 121165, 149804, 187255, 242330, 266563, 374510, 411961, 484660, 533126, 749020, 823922, 1066252, 1332815, 1647844, 2059805, 2665630, 4119610, 4531571, 5331260, 8239220, 9063142, 18126284, 22657855, 45315710, 90631420]

約数ペア:

[(1, 90631420), (2, 45315710), (4, 22657855), (5, 18126284), (10, 9063142), (11, 8239220), (17, 5331260), (20, 4531571), (22, 4119610), (34, 2665630), (44, 2059805), (55, 1647844), (68, 1332815), (85, 1066252), (110, 823922), (121, 749020), (170, 533126), (187, 484660), (220, 411961), (242, 374510), (340, 266563), (374, 242330), (484, 187255), (605, 149804), (748, 121165), (935, 96932), (1210, 74902), (1870, 48466), (2057, 44060), (2203, 41140), (2420, 37451), (3740, 24233), (4114, 22030), (4406, 20570), (8228, 11015), (8812, 10285)]