4069990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 7971840

約数和(自身を除く): 3901850

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 691, 1178, 1382, 2945, 3455, 5890, 6910, 13129, 21421, 26258, 42842, 65645, 107105, 131290, 214210, 406999, 813998, 2034995, 4069990]

約数ペア:

[(1, 4069990), (2, 2034995), (5, 813998), (10, 406999), (19, 214210), (31, 131290), (38, 107105), (62, 65645), (95, 42842), (155, 26258), (190, 21421), (310, 13129), (589, 6910), (691, 5890), (1178, 3455), (1382, 2945)]