317030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{647}}^1$

素因数の和:668

約数の個数: 24

約数和(自身を含む): 664848

約数和(自身を除く): 347818

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 647, 1294, 3235, 4529, 6470, 9058, 22645, 31703, 45290, 63406, 158515, 317030]

約数ペア:

[(1, 317030), (2, 158515), (5, 63406), (7, 45290), (10, 31703), (14, 22645), (35, 9058), (49, 6470), (70, 4529), (98, 3235), (245, 1294), (490, 647)]