81840430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1169149}}^1$

素因数の和:1169163

約数の個数: 16

約数和(自身を含む): 168357600

約数和(自身を除く): 86517170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1169149, 2338298, 5845745, 8184043, 11691490, 16368086, 40920215, 81840430]

約数ペア:

[(1, 81840430), (2, 40920215), (5, 16368086), (7, 11691490), (10, 8184043), (14, 5845745), (35, 2338298), (70, 1169149)]