278315380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{48487}}^1$

素因数の和:48544

約数の個数: 48

約数和(自身を含む): 684262656

約数和(自身を除く): 405947276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 48487, 96974, 193948, 242435, 339409, 484870, 678818, 969740, 1357636, 1697045, 1987967, 3394090, 3975934, 6788180, 7951868, 9939835, 13915769, 19879670, 27831538, 39759340, 55663076, 69578845, 139157690, 278315380]

約数ペア:

[(1, 278315380), (2, 139157690), (4, 69578845), (5, 55663076), (7, 39759340), (10, 27831538), (14, 19879670), (20, 13915769), (28, 9939835), (35, 7951868), (41, 6788180), (70, 3975934), (82, 3394090), (140, 1987967), (164, 1697045), (205, 1357636), (287, 969740), (410, 678818), (574, 484870), (820, 339409), (1148, 242435), (1435, 193948), (2870, 96974), (5740, 48487)]