316956440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1451}}^1$

素因数の和:1632

約数の個数: 64

約数和(自身を含む): 735989760

約数和(自身を除く): 419033320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 127, 172, 215, 254, 344, 430, 508, 635, 860, 1016, 1270, 1451, 1720, 2540, 2902, 5080, 5461, 5804, 7255, 10922, 11608, 14510, 21844, 27305, 29020, 43688, 54610, 58040, 62393, 109220, 124786, 184277, 218440, 249572, 311965, 368554, 499144, 623930, 737108, 921385, 1247860, 1474216, 1842770, 2495720, 3685540, 7371080, 7923911, 15847822, 31695644, 39619555, 63391288, 79239110, 158478220, 316956440]

約数ペア:

[(1, 316956440), (2, 158478220), (4, 79239110), (5, 63391288), (8, 39619555), (10, 31695644), (20, 15847822), (40, 7923911), (43, 7371080), (86, 3685540), (127, 2495720), (172, 1842770), (215, 1474216), (254, 1247860), (344, 921385), (430, 737108), (508, 623930), (635, 499144), (860, 368554), (1016, 311965), (1270, 249572), (1451, 218440), (1720, 184277), (2540, 124786), (2902, 109220), (5080, 62393), (5461, 58040), (5804, 54610), (7255, 43688), (10922, 29020), (11608, 27305), (14510, 21844)]