1880710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 64

約数和(自身を含む): 4136832

約数和(自身を除く): 2256122

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 37, 46, 65, 74, 85, 115, 130, 170, 185, 221, 230, 299, 370, 391, 442, 481, 598, 629, 782, 851, 962, 1105, 1258, 1495, 1702, 1955, 2210, 2405, 2990, 3145, 3910, 4255, 4810, 5083, 6290, 8177, 8510, 10166, 11063, 14467, 16354, 22126, 25415, 28934, 40885, 50830, 55315, 72335, 81770, 110630, 144670, 188071, 376142, 940355, 1880710]

約数ペア:

[(1, 1880710), (2, 940355), (5, 376142), (10, 188071), (13, 144670), (17, 110630), (23, 81770), (26, 72335), (34, 55315), (37, 50830), (46, 40885), (65, 28934), (74, 25415), (85, 22126), (115, 16354), (130, 14467), (170, 11063), (185, 10166), (221, 8510), (230, 8177), (299, 6290), (370, 5083), (391, 4810), (442, 4255), (481, 3910), (598, 3145), (629, 2990), (782, 2405), (851, 2210), (962, 1955), (1105, 1702), (1258, 1495)]