268402580

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{77573}}^1$

素因数の和:77755

約数の個数: 24

約数和(自身を含む): 566910792

約数和(自身を除く): 298508212

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 77573, 155146, 310292, 387865, 775730, 1551460, 13420129, 26840258, 53680516, 67100645, 134201290, 268402580]

約数ペア:

[(1, 268402580), (2, 134201290), (4, 67100645), (5, 53680516), (10, 26840258), (20, 13420129), (173, 1551460), (346, 775730), (692, 387865), (865, 310292), (1730, 155146), (3460, 77573)]