31242130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 57853440

約数和(自身を除く): 26611310

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 557, 710, 790, 1114, 2785, 5570, 5609, 11218, 28045, 39547, 44003, 56090, 79094, 88006, 197735, 220015, 395470, 440030, 3124213, 6248426, 15621065, 31242130]

約数ペア:

[(1, 31242130), (2, 15621065), (5, 6248426), (10, 3124213), (71, 440030), (79, 395470), (142, 220015), (158, 197735), (355, 88006), (395, 79094), (557, 56090), (710, 44003), (790, 39547), (1114, 28045), (2785, 11218), (5570, 5609)]