89945260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 196116480

約数和(自身を除く): 106171220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 239, 310, 478, 607, 620, 956, 1195, 1214, 2390, 2428, 3035, 4780, 6070, 7409, 12140, 14818, 18817, 29636, 37045, 37634, 74090, 75268, 94085, 145073, 148180, 188170, 290146, 376340, 580292, 725365, 1450730, 2901460, 4497263, 8994526, 17989052, 22486315, 44972630, 89945260]

約数ペア:

[(1, 89945260), (2, 44972630), (4, 22486315), (5, 17989052), (10, 8994526), (20, 4497263), (31, 2901460), (62, 1450730), (124, 725365), (155, 580292), (239, 376340), (310, 290146), (478, 188170), (607, 148180), (620, 145073), (956, 94085), (1195, 75268), (1214, 74090), (2390, 37634), (2428, 37045), (3035, 29636), (4780, 18817), (6070, 14818), (7409, 12140)]