20121430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287449}}^1$

素因数の和:287463

約数の個数: 16

約数和(自身を含む): 41392800

約数和(自身を除く): 21271370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287449, 574898, 1437245, 2012143, 2874490, 4024286, 10060715, 20121430]

約数ペア:

[(1, 20121430), (2, 10060715), (5, 4024286), (7, 2874490), (10, 2012143), (14, 1437245), (35, 574898), (70, 287449)]