990147370

素因数分解:

$2^1\times 5^1\times {\mathrm{2251}}^1\times {\mathrm{43987}}^1$

素因数の和:46245

約数の個数: 16

約数和(自身を含む): 1783097568

約数和(自身を除く): 792950198

約数列:

[1, 2, 5, 10, 2251, 4502, 11255, 22510, 43987, 87974, 219935, 439870, 99014737, 198029474, 495073685, 990147370]

約数ペア:

[(1, 990147370), (2, 495073685), (5, 198029474), (10, 99014737), (2251, 439870), (4502, 219935), (11255, 87974), (22510, 43987)]