249654470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61949}}^1$

素因数の和:62000

約数の個数: 32

約数和(自身を含む): 499564800

約数和(自身を除く): 249910330

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 61949, 123898, 309745, 619490, 805337, 1610674, 1920419, 3840838, 4026685, 8053370, 9602095, 19204190, 24965447, 49930894, 124827235, 249654470]

約数ペア:

[(1, 249654470), (2, 124827235), (5, 49930894), (10, 24965447), (13, 19204190), (26, 9602095), (31, 8053370), (62, 4026685), (65, 3840838), (130, 1920419), (155, 1610674), (310, 805337), (403, 619490), (806, 309745), (2015, 123898), (4030, 61949)]