219667240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13627}}^1$

素因数の和:13682

約数の個数: 64

約数和(自身を含む): 549480960

約数和(自身を除く): 329813720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 13627, 16120, 27254, 54508, 68135, 109016, 136270, 177151, 272540, 354302, 422437, 545080, 708604, 844874, 885755, 1417208, 1689748, 1771510, 2112185, 3379496, 3543020, 4224370, 5491681, 7086040, 8448740, 10983362, 16897480, 21966724, 27458405, 43933448, 54916810, 109833620, 219667240]

約数ペア:

[(1, 219667240), (2, 109833620), (4, 54916810), (5, 43933448), (8, 27458405), (10, 21966724), (13, 16897480), (20, 10983362), (26, 8448740), (31, 7086040), (40, 5491681), (52, 4224370), (62, 3543020), (65, 3379496), (104, 2112185), (124, 1771510), (130, 1689748), (155, 1417208), (248, 885755), (260, 844874), (310, 708604), (403, 545080), (520, 422437), (620, 354302), (806, 272540), (1240, 177151), (1612, 136270), (2015, 109016), (3224, 68135), (4030, 54508), (8060, 27254), (13627, 16120)]