894158020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{87491}}^1$

素因数の和:87580

約数の個数: 48

約数和(自身を含む): 2175401088

約数和(自身を除く): 1281243068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 87491, 174982, 349964, 437455, 612437, 874910, 1224874, 1749820, 2449748, 3062185, 6124370, 6386843, 12248740, 12773686, 25547372, 31934215, 44707901, 63868430, 89415802, 127736860, 178831604, 223539505, 447079010, 894158020]

約数ペア:

[(1, 894158020), (2, 447079010), (4, 223539505), (5, 178831604), (7, 127736860), (10, 89415802), (14, 63868430), (20, 44707901), (28, 31934215), (35, 25547372), (70, 12773686), (73, 12248740), (140, 6386843), (146, 6124370), (292, 3062185), (365, 2449748), (511, 1749820), (730, 1224874), (1022, 874910), (1460, 612437), (2044, 437455), (2555, 349964), (5110, 174982), (10220, 87491)]