643718060

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{284831}}^1$

素因数の和:284953

約数の個数: 24

約数和(自身を含む): 1363775616

約数和(自身を除く): 720057556

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 284831, 569662, 1139324, 1424155, 2848310, 5696620, 32185903, 64371806, 128743612, 160929515, 321859030, 643718060]

約数ペア:

[(1, 643718060), (2, 321859030), (4, 160929515), (5, 128743612), (10, 64371806), (20, 32185903), (113, 5696620), (226, 2848310), (452, 1424155), (565, 1139324), (1130, 569662), (2260, 284831)]