3781460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2743

約数の個数: 24

約数和(自身を含む): 8055936

約数和(自身を除く): 4274476

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2663, 5326, 10652, 13315, 26630, 53260, 189073, 378146, 756292, 945365, 1890730, 3781460]

約数ペア:

[(1, 3781460), (2, 1890730), (4, 945365), (5, 756292), (10, 378146), (20, 189073), (71, 53260), (142, 26630), (284, 13315), (355, 10652), (710, 5326), (1420, 2663)]