188804620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{132961}}^1$

素因数の和:133041

約数の個数: 24

約数和(自身を含む): 402077088

約数和(自身を除く): 213272468

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 132961, 265922, 531844, 664805, 1329610, 2659220, 9440231, 18880462, 37760924, 47201155, 94402310, 188804620]

約数ペア:

[(1, 188804620), (2, 94402310), (4, 47201155), (5, 37760924), (10, 18880462), (20, 9440231), (71, 2659220), (142, 1329610), (284, 664805), (355, 531844), (710, 265922), (1420, 132961)]