221260

素因数分解:

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

素因数の和:82

約数の個数: 48

約数和(自身を含む): 536256

約数和(自身を除く): 314996

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 37, 46, 52, 65, 74, 92, 115, 130, 148, 185, 230, 260, 299, 370, 460, 481, 598, 740, 851, 962, 1196, 1495, 1702, 1924, 2405, 2990, 3404, 4255, 4810, 5980, 8510, 9620, 11063, 17020, 22126, 44252, 55315, 110630, 221260]

約数ペア:

[(1, 221260), (2, 110630), (4, 55315), (5, 44252), (10, 22126), (13, 17020), (20, 11063), (23, 9620), (26, 8510), (37, 5980), (46, 4810), (52, 4255), (65, 3404), (74, 2990), (92, 2405), (115, 1924), (130, 1702), (148, 1495), (185, 1196), (230, 962), (260, 851), (299, 740), (370, 598), (460, 481)]