319543280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{570613}}^1$

素因数の和:570633

約数の個数: 40

約数和(自身を含む): 849073632

約数和(自身を除く): 529530352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 570613, 1141226, 2282452, 2853065, 3994291, 4564904, 5706130, 7988582, 9129808, 11412260, 15977164, 19971455, 22824520, 31954328, 39942910, 45649040, 63908656, 79885820, 159771640, 319543280]

約数ペア:

[(1, 319543280), (2, 159771640), (4, 79885820), (5, 63908656), (7, 45649040), (8, 39942910), (10, 31954328), (14, 22824520), (16, 19971455), (20, 15977164), (28, 11412260), (35, 9129808), (40, 7988582), (56, 5706130), (70, 4564904), (80, 3994291), (112, 2853065), (140, 2282452), (280, 1141226), (560, 570613)]