317870980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2270507}}^1$

素因数の和:2270523

約数の個数: 24

約数和(自身を含む): 762890688

約数和(自身を除く): 445019708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2270507, 4541014, 9082028, 11352535, 15893549, 22705070, 31787098, 45410140, 63574196, 79467745, 158935490, 317870980]

約数ペア:

[(1, 317870980), (2, 158935490), (4, 79467745), (5, 63574196), (7, 45410140), (10, 31787098), (14, 22705070), (20, 15893549), (28, 11352535), (35, 9082028), (70, 4541014), (140, 2270507)]