3123980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8221}}^1$

素因数の和:8249

約数の個数: 24

約数和(自身を含む): 6906480

約数和(自身を除く): 3782500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 8221, 16442, 32884, 41105, 82210, 156199, 164420, 312398, 624796, 780995, 1561990, 3123980]

約数ペア:

[(1, 3123980), (2, 1561990), (4, 780995), (5, 624796), (10, 312398), (19, 164420), (20, 156199), (38, 82210), (76, 41105), (95, 32884), (190, 16442), (380, 8221)]