205931180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113149}}^1$

素因数の和:113178

約数の個数: 48

約数和(自身を含む): 532257600

約数和(自身を除く): 326326420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 113149, 226298, 452596, 565745, 792043, 1131490, 1470937, 1584086, 2262980, 2941874, 3168172, 3960215, 5883748, 7354685, 7920430, 10296559, 14709370, 15840860, 20593118, 29418740, 41186236, 51482795, 102965590, 205931180]

約数ペア:

[(1, 205931180), (2, 102965590), (4, 51482795), (5, 41186236), (7, 29418740), (10, 20593118), (13, 15840860), (14, 14709370), (20, 10296559), (26, 7920430), (28, 7354685), (35, 5883748), (52, 3960215), (65, 3168172), (70, 2941874), (91, 2262980), (130, 1584086), (140, 1470937), (182, 1131490), (260, 792043), (364, 565745), (455, 452596), (910, 226298), (1820, 113149)]