401025460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{165713}}^1$

素因数の和:165744

約数の個数: 36

約数和(自身を含む): 925678404

約数和(自身を除く): 524652944

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 165713, 331426, 662852, 828565, 1657130, 1822843, 3314260, 3645686, 7291372, 9114215, 18228430, 20051273, 36456860, 40102546, 80205092, 100256365, 200512730, 401025460]

約数ペア:

[(1, 401025460), (2, 200512730), (4, 100256365), (5, 80205092), (10, 40102546), (11, 36456860), (20, 20051273), (22, 18228430), (44, 9114215), (55, 7291372), (110, 3645686), (121, 3314260), (220, 1822843), (242, 1657130), (484, 828565), (605, 662852), (1210, 331426), (2420, 165713)]