686293990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{23431}}^1$

素因数の和:23568

約数の個数: 32

約数和(自身を含む): 1290634560

約数和(自身を除く): 604340570

約数列:

[1, 2, 5, 10, 29, 58, 101, 145, 202, 290, 505, 1010, 2929, 5858, 14645, 23431, 29290, 46862, 117155, 234310, 679499, 1358998, 2366531, 3397495, 4733062, 6794990, 11832655, 23665310, 68629399, 137258798, 343146995, 686293990]

約数ペア:

[(1, 686293990), (2, 343146995), (5, 137258798), (10, 68629399), (29, 23665310), (58, 11832655), (101, 6794990), (145, 4733062), (202, 3397495), (290, 2366531), (505, 1358998), (1010, 679499), (2929, 234310), (5858, 117155), (14645, 46862), (23431, 29290)]