64965740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{757}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 156378432

約数和(自身を除く): 91412692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613, 757, 1226, 1514, 2452, 3028, 3065, 3785, 4291, 5299, 6130, 7570, 8582, 10598, 12260, 15140, 17164, 21196, 21455, 26495, 42910, 52990, 85820, 105980, 464041, 928082, 1856164, 2320205, 3248287, 4640410, 6496574, 9280820, 12993148, 16241435, 32482870, 64965740]

約数ペア:

[(1, 64965740), (2, 32482870), (4, 16241435), (5, 12993148), (7, 9280820), (10, 6496574), (14, 4640410), (20, 3248287), (28, 2320205), (35, 1856164), (70, 928082), (140, 464041), (613, 105980), (757, 85820), (1226, 52990), (1514, 42910), (2452, 26495), (3028, 21455), (3065, 21196), (3785, 17164), (4291, 15140), (5299, 12260), (6130, 10598), (7570, 8582)]