30431660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217369}}^1$

素因数の和:217385

約数の個数: 24

約数和(自身を含む): 73036320

約数和(自身を除く): 42604660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217369, 434738, 869476, 1086845, 1521583, 2173690, 3043166, 4347380, 6086332, 7607915, 15215830, 30431660]

約数ペア:

[(1, 30431660), (2, 15215830), (4, 7607915), (5, 6086332), (7, 4347380), (10, 3043166), (14, 2173690), (20, 1521583), (28, 1086845), (35, 869476), (70, 434738), (140, 217369)]