68811820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{44683}}^1$

素因数の和:44710

約数の個数: 48

約数和(自身を含む): 180165888

約数和(自身を除く): 111354068

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, 44683, 89366, 178732, 223415, 312781, 446830, 491513, 625562, 893660, 983026, 1251124, 1563905, 1966052, 2457565, 3127810, 3440591, 4915130, 6255620, 6881182, 9830260, 13762364, 17202955, 34405910, 68811820]

約数ペア:

[(1, 68811820), (2, 34405910), (4, 17202955), (5, 13762364), (7, 9830260), (10, 6881182), (11, 6255620), (14, 4915130), (20, 3440591), (22, 3127810), (28, 2457565), (35, 1966052), (44, 1563905), (55, 1251124), (70, 983026), (77, 893660), (110, 625562), (140, 491513), (154, 446830), (220, 312781), (308, 223415), (385, 178732), (770, 89366), (1540, 44683)]