48881980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3457}}^1$

素因数の和:3574

約数の個数: 48

約数和(自身を含む): 118512576

約数和(自身を除く): 69630596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3457, 3535, 6914, 7070, 13828, 14140, 17285, 24199, 34570, 48398, 69140, 96796, 120995, 241990, 349157, 483980, 698314, 1396628, 1745785, 2444099, 3491570, 4888198, 6983140, 9776396, 12220495, 24440990, 48881980]

約数ペア:

[(1, 48881980), (2, 24440990), (4, 12220495), (5, 9776396), (7, 6983140), (10, 4888198), (14, 3491570), (20, 2444099), (28, 1745785), (35, 1396628), (70, 698314), (101, 483980), (140, 349157), (202, 241990), (404, 120995), (505, 96796), (707, 69140), (1010, 48398), (1414, 34570), (2020, 24199), (2828, 17285), (3457, 14140), (3535, 13828), (6914, 7070)]