128210260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{677}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 286012944

約数和(自身を除く): 157802684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 557, 677, 1114, 1354, 2228, 2708, 2785, 3385, 5570, 6770, 9469, 11140, 11509, 13540, 18938, 23018, 37876, 46036, 47345, 57545, 94690, 115090, 189380, 230180, 377089, 754178, 1508356, 1885445, 3770890, 6410513, 7541780, 12821026, 25642052, 32052565, 64105130, 128210260]

約数ペア:

[(1, 128210260), (2, 64105130), (4, 32052565), (5, 25642052), (10, 12821026), (17, 7541780), (20, 6410513), (34, 3770890), (68, 1885445), (85, 1508356), (170, 754178), (340, 377089), (557, 230180), (677, 189380), (1114, 115090), (1354, 94690), (2228, 57545), (2708, 47345), (2785, 46036), (3385, 37876), (5570, 23018), (6770, 18938), (9469, 13540), (11140, 11509)]