211244560

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{9397}}^1$

素因数の和:9691

約数の個数: 40

約数和(自身を含む): 492943896

約数和(自身を除く): 281699336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 9397, 11240, 18794, 22480, 37588, 46985, 75176, 93970, 150352, 187940, 375880, 751760, 2640557, 5281114, 10562228, 13202785, 21124456, 26405570, 42248912, 52811140, 105622280, 211244560]

約数ペア:

[(1, 211244560), (2, 105622280), (4, 52811140), (5, 42248912), (8, 26405570), (10, 21124456), (16, 13202785), (20, 10562228), (40, 5281114), (80, 2640557), (281, 751760), (562, 375880), (1124, 187940), (1405, 150352), (2248, 93970), (2810, 75176), (4496, 46985), (5620, 37588), (9397, 22480), (11240, 18794)]