211222640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71359}}^1$

素因数の和:71409

約数の個数: 40

約数和(自身を含む): 504372480

約数和(自身を除く): 293149840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 71359, 142718, 285436, 356795, 570872, 713590, 1141744, 1427180, 2640283, 2854360, 5280566, 5708720, 10561132, 13201415, 21122264, 26402830, 42244528, 52805660, 105611320, 211222640]

約数ペア:

[(1, 211222640), (2, 105611320), (4, 52805660), (5, 42244528), (8, 26402830), (10, 21122264), (16, 13201415), (20, 10561132), (37, 5708720), (40, 5280566), (74, 2854360), (80, 2640283), (148, 1427180), (185, 1141744), (296, 713590), (370, 570872), (592, 356795), (740, 285436), (1480, 142718), (2960, 71359)]