405014540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{28087}}^1$

素因数の和:28206

約数の個数: 48

約数和(自身を含む): 981507072

約数和(自身を除く): 576492532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 28087, 56174, 112348, 140435, 196609, 280870, 393218, 561740, 786436, 983045, 1966090, 2892961, 3932180, 5785922, 11571844, 14464805, 20250727, 28929610, 40501454, 57859220, 81002908, 101253635, 202507270, 405014540]

約数ペア:

[(1, 405014540), (2, 202507270), (4, 101253635), (5, 81002908), (7, 57859220), (10, 40501454), (14, 28929610), (20, 20250727), (28, 14464805), (35, 11571844), (70, 5785922), (103, 3932180), (140, 2892961), (206, 1966090), (412, 983045), (515, 786436), (721, 561740), (1030, 393218), (1442, 280870), (2060, 196609), (2884, 140435), (3605, 112348), (7210, 56174), (14420, 28087)]