304631420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491341}}^1$

素因数の和:491381

約数の個数: 24

約数和(自身を含む): 660363648

約数和(自身を除く): 355732228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 491341, 982682, 1965364, 2456705, 4913410, 9826820, 15231571, 30463142, 60926284, 76157855, 152315710, 304631420]

約数ペア:

[(1, 304631420), (2, 152315710), (4, 76157855), (5, 60926284), (10, 30463142), (20, 15231571), (31, 9826820), (62, 4913410), (124, 2456705), (155, 1965364), (310, 982682), (620, 491341)]