870837320

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{70003}}^1$

素因数の和:70325

約数の個数: 32

約数和(自身を含む): 1965712320

約数和(自身を除く): 1094875000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 12440, 70003, 140006, 280012, 350015, 560024, 700030, 1400060, 2800120, 21770933, 43541866, 87083732, 108854665, 174167464, 217709330, 435418660, 870837320]

約数ペア:

[(1, 870837320), (2, 435418660), (4, 217709330), (5, 174167464), (8, 108854665), (10, 87083732), (20, 43541866), (40, 21770933), (311, 2800120), (622, 1400060), (1244, 700030), (1555, 560024), (2488, 350015), (3110, 280012), (6220, 140006), (12440, 70003)]