61376980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7187}}^1$

素因数の和:7264

約数の個数: 48

約数和(自身を含む): 149740416

約数和(自身を除く): 88363436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 7187, 8540, 14374, 28748, 35935, 50309, 71870, 100618, 143740, 201236, 251545, 438407, 503090, 876814, 1006180, 1753628, 2192035, 3068849, 4384070, 6137698, 8768140, 12275396, 15344245, 30688490, 61376980]

約数ペア:

[(1, 61376980), (2, 30688490), (4, 15344245), (5, 12275396), (7, 8768140), (10, 6137698), (14, 4384070), (20, 3068849), (28, 2192035), (35, 1753628), (61, 1006180), (70, 876814), (122, 503090), (140, 438407), (244, 251545), (305, 201236), (427, 143740), (610, 100618), (854, 71870), (1220, 50309), (1708, 35935), (2135, 28748), (4270, 14374), (7187, 8540)]