316802240

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{2297}}^1$

素因数の和:2745

約数の個数: 56

約数和(自身を含む): 756464832

約数和(自身を除く): 439662592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 862, 1724, 2155, 2297, 3448, 4310, 4594, 6896, 8620, 9188, 11485, 13792, 17240, 18376, 22970, 27584, 34480, 36752, 45940, 68960, 73504, 91880, 137920, 147008, 183760, 367520, 735040, 990007, 1980014, 3960028, 4950035, 7920056, 9900070, 15840112, 19800140, 31680224, 39600280, 63360448, 79200560, 158401120, 316802240]

約数ペア:

[(1, 316802240), (2, 158401120), (4, 79200560), (5, 63360448), (8, 39600280), (10, 31680224), (16, 19800140), (20, 15840112), (32, 9900070), (40, 7920056), (64, 4950035), (80, 3960028), (160, 1980014), (320, 990007), (431, 735040), (862, 367520), (1724, 183760), (2155, 147008), (2297, 137920), (3448, 91880), (4310, 73504), (4594, 68960), (6896, 45940), (8620, 36752), (9188, 34480), (11485, 27584), (13792, 22970), (17240, 18376)]