2157723830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7440427}}^1$

素因数の和:7440463

約数の個数: 16

約数和(自身を含む): 4017831120

約数和(自身を除く): 1860107290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 7440427, 14880854, 37202135, 74404270, 215772383, 431544766, 1078861915, 2157723830]

約数ペア:

[(1, 2157723830), (2, 1078861915), (5, 431544766), (10, 215772383), (29, 74404270), (58, 37202135), (145, 14880854), (290, 7440427)]