123236780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{198769}}^1$

素因数の和:198809

約数の個数: 24

約数和(自身を含む): 267146880

約数和(自身を除く): 143910100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 198769, 397538, 795076, 993845, 1987690, 3975380, 6161839, 12323678, 24647356, 30809195, 61618390, 123236780]

約数ペア:

[(1, 123236780), (2, 61618390), (4, 30809195), (5, 24647356), (10, 12323678), (20, 6161839), (31, 3975380), (62, 1987690), (124, 993845), (155, 795076), (310, 397538), (620, 198769)]