289871710

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 527329440

約数和(自身を除く): 237457730

約数列:

[1, 2, 5, 10, 197, 269, 394, 538, 547, 985, 1094, 1345, 1970, 2690, 2735, 5470, 52993, 105986, 107759, 147143, 215518, 264965, 294286, 529930, 538795, 735715, 1077590, 1471430, 28987171, 57974342, 144935855, 289871710]

約数ペア:

[(1, 289871710), (2, 144935855), (5, 57974342), (10, 28987171), (197, 1471430), (269, 1077590), (394, 735715), (538, 538795), (547, 529930), (985, 294286), (1094, 264965), (1345, 215518), (1970, 147143), (2690, 107759), (2735, 105986), (5470, 52993)]