249746120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1451}}^1$

素因数の和:1806

約数の個数: 64

約数和(自身を含む): 607400640

約数和(自身を除く): 357654520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 331, 520, 662, 1324, 1451, 1655, 2648, 2902, 3310, 4303, 5804, 6620, 7255, 8606, 11608, 13240, 14510, 17212, 18863, 21515, 29020, 34424, 37726, 43030, 58040, 75452, 86060, 94315, 150904, 172120, 188630, 377260, 480281, 754520, 960562, 1921124, 2401405, 3842248, 4802810, 6243653, 9605620, 12487306, 19211240, 24974612, 31218265, 49949224, 62436530, 124873060, 249746120]

約数ペア:

[(1, 249746120), (2, 124873060), (4, 62436530), (5, 49949224), (8, 31218265), (10, 24974612), (13, 19211240), (20, 12487306), (26, 9605620), (40, 6243653), (52, 4802810), (65, 3842248), (104, 2401405), (130, 1921124), (260, 960562), (331, 754520), (520, 480281), (662, 377260), (1324, 188630), (1451, 172120), (1655, 150904), (2648, 94315), (2902, 86060), (3310, 75452), (4303, 58040), (5804, 43030), (6620, 37726), (7255, 34424), (8606, 29020), (11608, 21515), (13240, 18863), (14510, 17212)]