142147780

素因数分解:

$2^2\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{3727}}^1$

素因数の和:5643

約数の個数: 24

約数和(自身を含む): 298747008

約数和(自身を除く): 156599228

約数列:

[1, 2, 4, 5, 10, 20, 1907, 3727, 3814, 7454, 7628, 9535, 14908, 18635, 19070, 37270, 38140, 74540, 7107389, 14214778, 28429556, 35536945, 71073890, 142147780]

約数ペア:

[(1, 142147780), (2, 71073890), (4, 35536945), (5, 28429556), (10, 14214778), (20, 7107389), (1907, 74540), (3727, 38140), (3814, 37270), (7454, 19070), (7628, 18635), (9535, 14908)]