69031420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{111341}}^1$

素因数の和:111381

約数の個数: 24

約数和(自身を含む): 149643648

約数和(自身を除く): 80612228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 111341, 222682, 445364, 556705, 1113410, 2226820, 3451571, 6903142, 13806284, 17257855, 34515710, 69031420]

約数ペア:

[(1, 69031420), (2, 34515710), (4, 17257855), (5, 13806284), (10, 6903142), (20, 3451571), (31, 2226820), (62, 1113410), (124, 556705), (155, 445364), (310, 222682), (620, 111341)]