1985252380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1\times {\mathrm{4057}}^1$

素因数の和:4678

約数の個数: 48

約数和(自身を含む): 4274534880

約数和(自身を除く): 2289282500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 569, 860, 1138, 2276, 2845, 4057, 5690, 8114, 11380, 16228, 20285, 24467, 40570, 48934, 81140, 97868, 122335, 174451, 244670, 348902, 489340, 697804, 872255, 1744510, 2308433, 3489020, 4616866, 9233732, 11542165, 23084330, 46168660, 99262619, 198525238, 397050476, 496313095, 992626190, 1985252380]

約数ペア:

[(1, 1985252380), (2, 992626190), (4, 496313095), (5, 397050476), (10, 198525238), (20, 99262619), (43, 46168660), (86, 23084330), (172, 11542165), (215, 9233732), (430, 4616866), (569, 3489020), (860, 2308433), (1138, 1744510), (2276, 872255), (2845, 697804), (4057, 489340), (5690, 348902), (8114, 244670), (11380, 174451), (16228, 122335), (20285, 97868), (24467, 81140), (40570, 48934)]