349898680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{460393}}^1$

素因数の和:460423

約数の個数: 32

約数和(自身を含む): 828709200

約数和(自身を除く): 478810520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 460393, 920786, 1841572, 2301965, 3683144, 4603930, 8747467, 9207860, 17494934, 18415720, 34989868, 43737335, 69979736, 87474670, 174949340, 349898680]

約数ペア:

[(1, 349898680), (2, 174949340), (4, 87474670), (5, 69979736), (8, 43737335), (10, 34989868), (19, 18415720), (20, 17494934), (38, 9207860), (40, 8747467), (76, 4603930), (95, 3683144), (152, 2301965), (190, 1841572), (380, 920786), (760, 460393)]