201380420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:932

約数の個数: 48

約数和(自身を含む): 430557120

約数和(自身を除く): 229176700

約数列:

[1, 2, 4, 5, 10, 20, 107, 139, 214, 278, 428, 535, 556, 677, 695, 1070, 1354, 1390, 2140, 2708, 2780, 3385, 6770, 13540, 14873, 29746, 59492, 72439, 74365, 94103, 144878, 148730, 188206, 289756, 297460, 362195, 376412, 470515, 724390, 941030, 1448780, 1882060, 10069021, 20138042, 40276084, 50345105, 100690210, 201380420]

約数ペア:

[(1, 201380420), (2, 100690210), (4, 50345105), (5, 40276084), (10, 20138042), (20, 10069021), (107, 1882060), (139, 1448780), (214, 941030), (278, 724390), (428, 470515), (535, 376412), (556, 362195), (677, 297460), (695, 289756), (1070, 188206), (1354, 148730), (1390, 144878), (2140, 94103), (2708, 74365), (2780, 72439), (3385, 59492), (6770, 29746), (13540, 14873)]