319218760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2341}}^1$

素因数の和:2846

約数の個数: 64

約数和(自身を含む): 822885120

約数和(自身を除く): 503666360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 487, 974, 1948, 2341, 2435, 3409, 3896, 4682, 4870, 6818, 9364, 9740, 11705, 13636, 16387, 17045, 18728, 19480, 23410, 27272, 32774, 34090, 46820, 65548, 68180, 81935, 93640, 131096, 136360, 163870, 327740, 655480, 1140067, 2280134, 4560268, 5700335, 7980469, 9120536, 11400670, 15960938, 22801340, 31921876, 39902345, 45602680, 63843752, 79804690, 159609380, 319218760]

約数ペア:

[(1, 319218760), (2, 159609380), (4, 79804690), (5, 63843752), (7, 45602680), (8, 39902345), (10, 31921876), (14, 22801340), (20, 15960938), (28, 11400670), (35, 9120536), (40, 7980469), (56, 5700335), (70, 4560268), (140, 2280134), (280, 1140067), (487, 655480), (974, 327740), (1948, 163870), (2341, 136360), (2435, 131096), (3409, 93640), (3896, 81935), (4682, 68180), (4870, 65548), (6818, 46820), (9364, 34090), (9740, 32774), (11705, 27272), (13636, 23410), (16387, 19480), (17045, 18728)]