380765860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{1187}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 821088576

約数和(自身を除く): 440322716

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 373, 430, 746, 860, 1187, 1492, 1865, 2374, 3730, 4748, 5935, 7460, 11870, 16039, 23740, 32078, 51041, 64156, 80195, 102082, 160390, 204164, 255205, 320780, 442751, 510410, 885502, 1020820, 1771004, 2213755, 4427510, 8855020, 19038293, 38076586, 76153172, 95191465, 190382930, 380765860]

約数ペア:

[(1, 380765860), (2, 190382930), (4, 95191465), (5, 76153172), (10, 38076586), (20, 19038293), (43, 8855020), (86, 4427510), (172, 2213755), (215, 1771004), (373, 1020820), (430, 885502), (746, 510410), (860, 442751), (1187, 320780), (1492, 255205), (1865, 204164), (2374, 160390), (3730, 102082), (4748, 80195), (5935, 64156), (7460, 51041), (11870, 32078), (16039, 23740)]