1963820

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 4158000

約数和(自身を除く): 2194180

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 659, 745, 1318, 1490, 2636, 2980, 3295, 6590, 13180, 98191, 196382, 392764, 490955, 981910, 1963820]

約数ペア:

[(1, 1963820), (2, 981910), (4, 490955), (5, 392764), (10, 196382), (20, 98191), (149, 13180), (298, 6590), (596, 3295), (659, 2980), (745, 2636), (1318, 1490)]