217295930

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1\times {\mathrm{443}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 395635968

約数和(自身を除く): 178340038

約数列:

[1, 2, 5, 10, 181, 271, 362, 443, 542, 886, 905, 1355, 1810, 2215, 2710, 4430, 49051, 80183, 98102, 120053, 160366, 240106, 245255, 400915, 490510, 600265, 801830, 1200530, 21729593, 43459186, 108647965, 217295930]

約数ペア:

[(1, 217295930), (2, 108647965), (5, 43459186), (10, 21729593), (181, 1200530), (271, 801830), (362, 600265), (443, 490510), (542, 400915), (886, 245255), (905, 240106), (1355, 160366), (1810, 120053), (2215, 98102), (2710, 80183), (4430, 49051)]