9784220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 21762048

約数和(自身を除く): 11977828

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 367, 430, 620, 734, 860, 1333, 1468, 1835, 2666, 3670, 5332, 6665, 7340, 11377, 13330, 15781, 22754, 26660, 31562, 45508, 56885, 63124, 78905, 113770, 157810, 227540, 315620, 489211, 978422, 1956844, 2446055, 4892110, 9784220]

約数ペア:

[(1, 9784220), (2, 4892110), (4, 2446055), (5, 1956844), (10, 978422), (20, 489211), (31, 315620), (43, 227540), (62, 157810), (86, 113770), (124, 78905), (155, 63124), (172, 56885), (215, 45508), (310, 31562), (367, 26660), (430, 22754), (620, 15781), (734, 13330), (860, 11377), (1333, 7340), (1468, 6665), (1835, 5332), (2666, 3670)]