4260980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 9555840

約数和(自身を除く): 5294860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 157, 230, 236, 295, 314, 460, 590, 628, 785, 1180, 1357, 1570, 2714, 3140, 3611, 5428, 6785, 7222, 9263, 13570, 14444, 18055, 18526, 27140, 36110, 37052, 46315, 72220, 92630, 185260, 213049, 426098, 852196, 1065245, 2130490, 4260980]

約数ペア:

[(1, 4260980), (2, 2130490), (4, 1065245), (5, 852196), (10, 426098), (20, 213049), (23, 185260), (46, 92630), (59, 72220), (92, 46315), (115, 37052), (118, 36110), (157, 27140), (230, 18526), (236, 18055), (295, 14444), (314, 13570), (460, 9263), (590, 7222), (628, 6785), (785, 5428), (1180, 3611), (1357, 3140), (1570, 2714)]