205734830

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{59981}}^1$

素因数の和:60009

約数の個数: 32

約数和(自身を含む): 431870400

約数和(自身を除く): 226135570

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 59981, 119962, 299905, 419867, 599810, 839734, 2099335, 2939069, 4198670, 5878138, 14695345, 20573483, 29390690, 41146966, 102867415, 205734830]

約数ペア:

[(1, 205734830), (2, 102867415), (5, 41146966), (7, 29390690), (10, 20573483), (14, 14695345), (35, 5878138), (49, 4198670), (70, 2939069), (98, 2099335), (245, 839734), (343, 599810), (490, 419867), (686, 299905), (1715, 119962), (3430, 59981)]