156975980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121257}}^1$

素因数の和:1121273

約数の個数: 24

約数和(自身を含む): 376742688

約数和(自身を除く): 219766708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121257, 2242514, 4485028, 5606285, 7848799, 11212570, 15697598, 22425140, 31395196, 39243995, 78487990, 156975980]

約数ペア:

[(1, 156975980), (2, 78487990), (4, 39243995), (5, 31395196), (7, 22425140), (10, 15697598), (14, 11212570), (20, 7848799), (28, 5606285), (35, 4485028), (70, 2242514), (140, 1121257)]