291856180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{189517}}^1$

素因数の和:189544

約数の個数: 48

約数和(自身を含む): 764136576

約数和(自身を除く): 472280396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 189517, 379034, 758068, 947585, 1326619, 1895170, 2084687, 2653238, 3790340, 4169374, 5306476, 6633095, 8338748, 10423435, 13266190, 14592809, 20846870, 26532380, 29185618, 41693740, 58371236, 72964045, 145928090, 291856180]

約数ペア:

[(1, 291856180), (2, 145928090), (4, 72964045), (5, 58371236), (7, 41693740), (10, 29185618), (11, 26532380), (14, 20846870), (20, 14592809), (22, 13266190), (28, 10423435), (35, 8338748), (44, 6633095), (55, 5306476), (70, 4169374), (77, 3790340), (110, 2653238), (140, 2084687), (154, 1895170), (220, 1326619), (308, 947585), (385, 758068), (770, 379034), (1540, 189517)]