315846680

素因数分解:

$2^3\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{5303}}^1$

素因数の和:6803

約数の個数: 32

約数和(自身を含む): 711266400

約数和(自身を除く): 395419720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1489, 2978, 5303, 5956, 7445, 10606, 11912, 14890, 21212, 26515, 29780, 42424, 53030, 59560, 106060, 212120, 7896167, 15792334, 31584668, 39480835, 63169336, 78961670, 157923340, 315846680]

約数ペア:

[(1, 315846680), (2, 157923340), (4, 78961670), (5, 63169336), (8, 39480835), (10, 31584668), (20, 15792334), (40, 7896167), (1489, 212120), (2978, 106060), (5303, 59560), (5956, 53030), (7445, 42424), (10606, 29780), (11912, 26515), (14890, 21212)]