2828980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{167}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 7507584

約数和(自身を除く): 4678604

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 167, 220, 242, 308, 334, 385, 484, 605, 668, 770, 835, 847, 1169, 1210, 1540, 1670, 1694, 1837, 2338, 2420, 3340, 3388, 3674, 4235, 4676, 5845, 7348, 8470, 9185, 11690, 12859, 16940, 18370, 20207, 23380, 25718, 36740, 40414, 51436, 64295, 80828, 101035, 128590, 141449, 202070, 257180, 282898, 404140, 565796, 707245, 1414490, 2828980]

約数ペア:

[(1, 2828980), (2, 1414490), (4, 707245), (5, 565796), (7, 404140), (10, 282898), (11, 257180), (14, 202070), (20, 141449), (22, 128590), (28, 101035), (35, 80828), (44, 64295), (55, 51436), (70, 40414), (77, 36740), (110, 25718), (121, 23380), (140, 20207), (154, 18370), (167, 16940), (220, 12859), (242, 11690), (308, 9185), (334, 8470), (385, 7348), (484, 5845), (605, 4676), (668, 4235), (770, 3674), (835, 3388), (847, 3340), (1169, 2420), (1210, 2338), (1540, 1837), (1670, 1694)]