1902184420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{684239}}^1$

素因数の和:684387

約数の個数: 24

約数和(自身を含む): 4023331200

約数和(自身を除く): 2121146780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 684239, 1368478, 2736956, 3421195, 6842390, 13684780, 95109221, 190218442, 380436884, 475546105, 951092210, 1902184420]

約数ペア:

[(1, 1902184420), (2, 951092210), (4, 475546105), (5, 380436884), (10, 190218442), (20, 95109221), (139, 13684780), (278, 6842390), (556, 3421195), (695, 2736956), (1390, 1368478), (2780, 684239)]