217124540

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{29581}}^1$

素因数の和:29957

約数の個数: 24

約数和(自身を含む): 457219392

約数和(自身を除く): 240094852

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 29581, 59162, 118324, 147905, 295810, 591620, 10856227, 21712454, 43424908, 54281135, 108562270, 217124540]

約数ペア:

[(1, 217124540), (2, 108562270), (4, 54281135), (5, 43424908), (10, 21712454), (20, 10856227), (367, 591620), (734, 295810), (1468, 147905), (1835, 118324), (3670, 59162), (7340, 29581)]