720142492

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{1549}}^1\times {\mathrm{1637}}^1$

素因数の和:3261

約数の個数: 24

約数和(自身を含む): 1279605600

約数和(自身を除く): 559463108

約数列:

[1, 2, 4, 71, 142, 284, 1549, 1637, 3098, 3274, 6196, 6548, 109979, 116227, 219958, 232454, 439916, 464908, 2535713, 5071426, 10142852, 180035623, 360071246, 720142492]

約数ペア:

[(1, 720142492), (2, 360071246), (4, 180035623), (71, 10142852), (142, 5071426), (284, 2535713), (1549, 464908), (1637, 439916), (3098, 232454), (3274, 219958), (6196, 116227), (6548, 109979)]