1214990980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8678507}}^1$

素因数の和:8678523

約数の個数: 24

約数和(自身を含む): 2915978688

約数和(自身を除く): 1700987708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8678507, 17357014, 34714028, 43392535, 60749549, 86785070, 121499098, 173570140, 242998196, 303747745, 607495490, 1214990980]

約数ペア:

[(1, 1214990980), (2, 607495490), (4, 303747745), (5, 242998196), (7, 173570140), (10, 121499098), (14, 86785070), (20, 60749549), (28, 43392535), (35, 34714028), (70, 17357014), (140, 8678507)]