71897980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{46687}}^1$

素因数の和:46714

約数の個数: 48

約数和(自身を含む): 188246016

約数和(自身を除く): 116348036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 46687, 93374, 186748, 233435, 326809, 466870, 513557, 653618, 933740, 1027114, 1307236, 1634045, 2054228, 2567785, 3268090, 3594899, 5135570, 6536180, 7189798, 10271140, 14379596, 17974495, 35948990, 71897980]

約数ペア:

[(1, 71897980), (2, 35948990), (4, 17974495), (5, 14379596), (7, 10271140), (10, 7189798), (11, 6536180), (14, 5135570), (20, 3594899), (22, 3268090), (28, 2567785), (35, 2054228), (44, 1634045), (55, 1307236), (70, 1027114), (77, 933740), (110, 653618), (140, 513557), (154, 466870), (220, 326809), (308, 233435), (385, 186748), (770, 93374), (1540, 46687)]