69468637960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{205019}}^1$

素因数の和:205270

約数の個数: 64

約数和(自身を含む): 160752081600

約数和(自身を除く): 91283443640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 197, 215, 344, 394, 430, 788, 860, 985, 1576, 1720, 1970, 3940, 7880, 8471, 16942, 33884, 42355, 67768, 84710, 169420, 205019, 338840, 410038, 820076, 1025095, 1640152, 2050190, 4100380, 8200760, 8815817, 17631634, 35263268, 40388743, 44079085, 70526536, 80777486, 88158170, 161554972, 176316340, 201943715, 323109944, 352632680, 403887430, 807774860, 1615549720, 1736715949, 3473431898, 6946863796, 8683579745, 13893727592, 17367159490, 34734318980, 69468637960]

約数ペア:

[(1, 69468637960), (2, 34734318980), (4, 17367159490), (5, 13893727592), (8, 8683579745), (10, 6946863796), (20, 3473431898), (40, 1736715949), (43, 1615549720), (86, 807774860), (172, 403887430), (197, 352632680), (215, 323109944), (344, 201943715), (394, 176316340), (430, 161554972), (788, 88158170), (860, 80777486), (985, 70526536), (1576, 44079085), (1720, 40388743), (1970, 35263268), (3940, 17631634), (7880, 8815817), (8471, 8200760), (16942, 4100380), (33884, 2050190), (42355, 1640152), (67768, 1025095), (84710, 820076), (169420, 410038), (205019, 338840)]