878921960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3139007}}^1$

素因数の和:3139025

約数の個数: 32

約数和(自身を含む): 2260085760

約数和(自身を除く): 1381163800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3139007, 6278014, 12556028, 15695035, 21973049, 25112056, 31390070, 43946098, 62780140, 87892196, 109865245, 125560280, 175784392, 219730490, 439460980, 878921960]

約数ペア:

[(1, 878921960), (2, 439460980), (4, 219730490), (5, 175784392), (7, 125560280), (8, 109865245), (10, 87892196), (14, 62780140), (20, 43946098), (28, 31390070), (35, 25112056), (40, 21973049), (56, 15695035), (70, 12556028), (140, 6278014), (280, 3139007)]