87797780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{5861}}^1$

素因数の和:5984

約数の個数: 48

約数和(自身を含む): 212720256

約数和(自身を除く): 124922476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 5861, 7490, 11722, 14980, 23444, 29305, 41027, 58610, 82054, 117220, 164108, 205135, 410270, 627127, 820540, 1254254, 2508508, 3135635, 4389889, 6271270, 8779778, 12542540, 17559556, 21949445, 43898890, 87797780]

約数ペア:

[(1, 87797780), (2, 43898890), (4, 21949445), (5, 17559556), (7, 12542540), (10, 8779778), (14, 6271270), (20, 4389889), (28, 3135635), (35, 2508508), (70, 1254254), (107, 820540), (140, 627127), (214, 410270), (428, 205135), (535, 164108), (749, 117220), (1070, 82054), (1498, 58610), (2140, 41027), (2996, 29305), (3745, 23444), (5861, 14980), (7490, 11722)]