1229121340

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{543859}}^1$

素因数の和:543981

約数の個数: 24

約数和(自身を含む): 2604001680

約数和(自身を除く): 1374880340

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 543859, 1087718, 2175436, 2719295, 5438590, 10877180, 61456067, 122912134, 245824268, 307280335, 614560670, 1229121340]

約数ペア:

[(1, 1229121340), (2, 614560670), (4, 307280335), (5, 245824268), (10, 122912134), (20, 61456067), (113, 10877180), (226, 5438590), (452, 2719295), (565, 2175436), (1130, 1087718), (2260, 543859)]