390407.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14221}}^1$

素因数の和:14249

約数の個数: 24

約数和(自身を含む): 11946480

約数和(自身を除く): 6542500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 14221, 28442, 56884, 71105, 142210, 270199, 284420, 540398, 1080796, 1350995, 2701990, 5403980]

約数ペア:

[(1, 5403980), (2, 2701990), (4, 1350995), (5, 1080796), (10, 540398), (19, 284420), (20, 270199), (38, 142210), (76, 71105), (95, 56884), (190, 28442), (380, 14221)]