179970980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1285507}}^1$

素因数の和:1285523

約数の個数: 24

約数和(自身を含む): 431930688

約数和(自身を除く): 251959708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1285507, 2571014, 5142028, 6427535, 8998549, 12855070, 17997098, 25710140, 35994196, 44992745, 89985490, 179970980]

約数ペア:

[(1, 179970980), (2, 89985490), (4, 44992745), (5, 35994196), (7, 25710140), (10, 17997098), (14, 12855070), (20, 8998549), (28, 6427535), (35, 5142028), (70, 2571014), (140, 1285507)]