391359220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2795423}}^1$

素因数の和:2795439

約数の個数: 24

約数和(自身を含む): 939262464

約数和(自身を除く): 547903244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2795423, 5590846, 11181692, 13977115, 19567961, 27954230, 39135922, 55908460, 78271844, 97839805, 195679610, 391359220]

約数ペア:

[(1, 391359220), (2, 195679610), (4, 97839805), (5, 78271844), (7, 55908460), (10, 39135922), (14, 27954230), (20, 19567961), (28, 13977115), (35, 11181692), (70, 5590846), (140, 2795423)]