168694820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{8087}}^1$

素因数の和:8252

約数の個数: 48

約数和(自身を含む): 407635200

約数和(自身を除く): 238940380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 8087, 10430, 16174, 20860, 32348, 40435, 56609, 80870, 113218, 161740, 226436, 283045, 566090, 1132180, 1204963, 2409926, 4819852, 6024815, 8434741, 12049630, 16869482, 24099260, 33738964, 42173705, 84347410, 168694820]

約数ペア:

[(1, 168694820), (2, 84347410), (4, 42173705), (5, 33738964), (7, 24099260), (10, 16869482), (14, 12049630), (20, 8434741), (28, 6024815), (35, 4819852), (70, 2409926), (140, 1204963), (149, 1132180), (298, 566090), (596, 283045), (745, 226436), (1043, 161740), (1490, 113218), (2086, 80870), (2980, 56609), (4172, 40435), (5215, 32348), (8087, 20860), (10430, 16174)]