168710120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221987}}^1$

素因数の和:222017

約数の個数: 32

約数和(自身を含む): 399578400

約数和(自身を除く): 230868280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 221987, 443974, 887948, 1109935, 1775896, 2219870, 4217753, 4439740, 8435506, 8879480, 16871012, 21088765, 33742024, 42177530, 84355060, 168710120]

約数ペア:

[(1, 168710120), (2, 84355060), (4, 42177530), (5, 33742024), (8, 21088765), (10, 16871012), (19, 8879480), (20, 8435506), (38, 4439740), (40, 4217753), (76, 2219870), (95, 1775896), (152, 1109935), (190, 887948), (380, 443974), (760, 221987)]