29726990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 54820800

約数和(自身を除く): 25093810

約数列:

[1, 2, 5, 10, 71, 142, 149, 281, 298, 355, 562, 710, 745, 1405, 1490, 2810, 10579, 19951, 21158, 39902, 41869, 52895, 83738, 99755, 105790, 199510, 209345, 418690, 2972699, 5945398, 14863495, 29726990]

約数ペア:

[(1, 29726990), (2, 14863495), (5, 5945398), (10, 2972699), (71, 418690), (142, 209345), (149, 199510), (281, 105790), (298, 99755), (355, 83738), (562, 52895), (710, 41869), (745, 39902), (1405, 21158), (1490, 19951), (2810, 10579)]