201654850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1811}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 400394016

約数和(自身を除く): 198739166

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 131, 170, 262, 425, 655, 850, 1310, 1811, 2227, 3275, 3622, 4454, 6550, 9055, 11135, 18110, 22270, 30787, 45275, 55675, 61574, 90550, 111350, 153935, 237241, 307870, 474482, 769675, 1186205, 1539350, 2372410, 4033097, 5931025, 8066194, 11862050, 20165485, 40330970, 100827425, 201654850]

約数ペア:

[(1, 201654850), (2, 100827425), (5, 40330970), (10, 20165485), (17, 11862050), (25, 8066194), (34, 5931025), (50, 4033097), (85, 2372410), (131, 1539350), (170, 1186205), (262, 769675), (425, 474482), (655, 307870), (850, 237241), (1310, 153935), (1811, 111350), (2227, 90550), (3275, 61574), (3622, 55675), (4454, 45275), (6550, 30787), (9055, 22270), (11135, 18110)]