317359140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{755617}}^1$

素因数の和:755636

約数の個数: 48

約数和(自身を含む): 1015550592

約数和(自身を除く): 698191452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 755617, 1511234, 2266851, 3022468, 3778085, 4533702, 5289319, 7556170, 9067404, 10578638, 11334255, 15112340, 15867957, 21157276, 22668510, 26446595, 31735914, 45337020, 52893190, 63471828, 79339785, 105786380, 158679570, 317359140]

約数ペア:

[(1, 317359140), (2, 158679570), (3, 105786380), (4, 79339785), (5, 63471828), (6, 52893190), (7, 45337020), (10, 31735914), (12, 26446595), (14, 22668510), (15, 21157276), (20, 15867957), (21, 15112340), (28, 11334255), (30, 10578638), (35, 9067404), (42, 7556170), (60, 5289319), (70, 4533702), (84, 3778085), (105, 3022468), (140, 2266851), (210, 1511234), (420, 755617)]