1962980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 4192440

約数和(自身を除く): 2229460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1609, 3218, 6436, 8045, 16090, 32180, 98149, 196298, 392596, 490745, 981490, 1962980]

約数ペア:

[(1, 1962980), (2, 981490), (4, 490745), (5, 392596), (10, 196298), (20, 98149), (61, 32180), (122, 16090), (244, 8045), (305, 6436), (610, 3218), (1220, 1609)]