679820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 1503600

約数和(自身を除く): 823780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1789, 3578, 7156, 8945, 17890, 33991, 35780, 67982, 135964, 169955, 339910, 679820]

約数ペア:

[(1, 679820), (2, 339910), (4, 169955), (5, 135964), (10, 67982), (19, 35780), (20, 33991), (38, 17890), (76, 8945), (95, 7156), (190, 3578), (380, 1789)]