20100430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287149}}^1$

素因数の和:287163

約数の個数: 16

約数和(自身を含む): 41349600

約数和(自身を除く): 21249170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287149, 574298, 1435745, 2010043, 2871490, 4020086, 10050215, 20100430]

約数ペア:

[(1, 20100430), (2, 10050215), (5, 4020086), (7, 2871490), (10, 2010043), (14, 1435745), (35, 574298), (70, 287149)]