248775290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{2239}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 460615680

約数和(自身を除く): 211840390

約数列:

[1, 2, 5, 10, 41, 82, 205, 271, 410, 542, 1355, 2239, 2710, 4478, 11111, 11195, 22222, 22390, 55555, 91799, 111110, 183598, 458995, 606769, 917990, 1213538, 3033845, 6067690, 24877529, 49755058, 124387645, 248775290]

約数ペア:

[(1, 248775290), (2, 124387645), (5, 49755058), (10, 24877529), (41, 6067690), (82, 3033845), (205, 1213538), (271, 917990), (410, 606769), (542, 458995), (1355, 183598), (2239, 111110), (2710, 91799), (4478, 55555), (11111, 22390), (11195, 22222)]