42620690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{86981}}^1$

素因数の和:87002

約数の個数: 24

約数和(自身を含む): 89243532

約数和(自身を除く): 46622842

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 86981, 173962, 434905, 608867, 869810, 1217734, 3044335, 4262069, 6088670, 8524138, 21310345, 42620690]

約数ペア:

[(1, 42620690), (2, 21310345), (5, 8524138), (7, 6088670), (10, 4262069), (14, 3044335), (35, 1217734), (49, 869810), (70, 608867), (98, 434905), (245, 173962), (490, 86981)]