128931400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2917}}^1$

素因数の和:2963

約数の個数: 96

約数和(自身を含む): 341931240

約数和(自身を除く): 212999840

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 130, 136, 170, 200, 221, 260, 325, 340, 425, 442, 520, 650, 680, 850, 884, 1105, 1300, 1700, 1768, 2210, 2600, 2917, 3400, 4420, 5525, 5834, 8840, 11050, 11668, 14585, 22100, 23336, 29170, 37921, 44200, 49589, 58340, 72925, 75842, 99178, 116680, 145850, 151684, 189605, 198356, 247945, 291700, 303368, 379210, 396712, 495890, 583400, 644657, 758420, 948025, 991780, 1239725, 1289314, 1516840, 1896050, 1983560, 2479450, 2578628, 3223285, 3792100, 4958900, 5157256, 6446570, 7584200, 9917800, 12893140, 16116425, 25786280, 32232850, 64465700, 128931400]

約数ペア:

[(1, 128931400), (2, 64465700), (4, 32232850), (5, 25786280), (8, 16116425), (10, 12893140), (13, 9917800), (17, 7584200), (20, 6446570), (25, 5157256), (26, 4958900), (34, 3792100), (40, 3223285), (50, 2578628), (52, 2479450), (65, 1983560), (68, 1896050), (85, 1516840), (100, 1289314), (104, 1239725), (130, 991780), (136, 948025), (170, 758420), (200, 644657), (221, 583400), (260, 495890), (325, 396712), (340, 379210), (425, 303368), (442, 291700), (520, 247945), (650, 198356), (680, 189605), (850, 151684), (884, 145850), (1105, 116680), (1300, 99178), (1700, 75842), (1768, 72925), (2210, 58340), (2600, 49589), (2917, 44200), (3400, 37921), (4420, 29170), (5525, 23336), (5834, 22100), (8840, 14585), (11050, 11668)]