159702980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{420271}}^1$

素因数の和:420299

約数の個数: 24

約数和(自身を含む): 353028480

約数和(自身を除く): 193325500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 420271, 840542, 1681084, 2101355, 4202710, 7985149, 8405420, 15970298, 31940596, 39925745, 79851490, 159702980]

約数ペア:

[(1, 159702980), (2, 79851490), (4, 39925745), (5, 31940596), (10, 15970298), (19, 8405420), (20, 7985149), (38, 4202710), (76, 2101355), (95, 1681084), (190, 840542), (380, 420271)]