9870980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70507}}^1$

素因数の和:70523

約数の個数: 24

約数和(自身を含む): 23690688

約数和(自身を除く): 13819708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70507, 141014, 282028, 352535, 493549, 705070, 987098, 1410140, 1974196, 2467745, 4935490, 9870980]

約数ペア:

[(1, 9870980), (2, 4935490), (4, 2467745), (5, 1974196), (7, 1410140), (10, 987098), (14, 705070), (20, 493549), (28, 352535), (35, 282028), (70, 141014), (140, 70507)]