156966980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{413071}}^1$

素因数の和:413099

約数の個数: 24

約数和(自身を含む): 346980480

約数和(自身を除く): 190013500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 413071, 826142, 1652284, 2065355, 4130710, 7848349, 8261420, 15696698, 31393396, 39241745, 78483490, 156966980]

約数ペア:

[(1, 156966980), (2, 78483490), (4, 39241745), (5, 31393396), (10, 15696698), (19, 8261420), (20, 7848349), (38, 4130710), (76, 2065355), (95, 1652284), (190, 826142), (380, 413071)]