328734580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{865091}}^1$

素因数の和:865119

約数の個数: 24

約数和(自身を含む): 726677280

約数和(自身を除く): 397942700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 865091, 1730182, 3460364, 4325455, 8650910, 16436729, 17301820, 32873458, 65746916, 82183645, 164367290, 328734580]

約数ペア:

[(1, 328734580), (2, 164367290), (4, 82183645), (5, 65746916), (10, 32873458), (19, 17301820), (20, 16436729), (38, 8650910), (76, 4325455), (95, 3460364), (190, 1730182), (380, 865091)]