2017451780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{27109}}^1$

素因数の和:27240

約数の個数: 36

約数和(自身を含む): 4307399460

約数和(自身を除く): 2289947680

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3721, 7442, 14884, 18605, 27109, 37210, 54218, 74420, 108436, 135545, 271090, 542180, 1653649, 3307298, 6614596, 8268245, 16536490, 33072980, 100872589, 201745178, 403490356, 504362945, 1008725890, 2017451780]

約数ペア:

[(1, 2017451780), (2, 1008725890), (4, 504362945), (5, 403490356), (10, 201745178), (20, 100872589), (61, 33072980), (122, 16536490), (244, 8268245), (305, 6614596), (610, 3307298), (1220, 1653649), (3721, 542180), (7442, 271090), (14884, 135545), (18605, 108436), (27109, 74420), (37210, 54218)]