856552910

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{20477}}^1$

素因数の和:20620

約数の個数: 32

約数和(自身を含む): 1592369280

約数和(自身を除く): 735816370

約数列:

[1, 2, 5, 10, 47, 89, 94, 178, 235, 445, 470, 890, 4183, 8366, 20477, 20915, 40954, 41830, 102385, 204770, 962419, 1822453, 1924838, 3644906, 4812095, 9112265, 9624190, 18224530, 85655291, 171310582, 428276455, 856552910]

約数ペア:

[(1, 856552910), (2, 428276455), (5, 171310582), (10, 85655291), (47, 18224530), (89, 9624190), (94, 9112265), (178, 4812095), (235, 3644906), (445, 1924838), (470, 1822453), (890, 962419), (4183, 204770), (8366, 102385), (20477, 41830), (20915, 40954)]