71188990

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 130331520

約数和(自身を除く): 59142530

約数列:

[1, 2, 5, 10, 109, 218, 241, 271, 482, 542, 545, 1090, 1205, 1355, 2410, 2710, 26269, 29539, 52538, 59078, 65311, 130622, 131345, 147695, 262690, 295390, 326555, 653110, 7118899, 14237798, 35594495, 71188990]

約数ペア:

[(1, 71188990), (2, 35594495), (5, 14237798), (10, 7118899), (109, 653110), (218, 326555), (241, 295390), (271, 262690), (482, 147695), (542, 131345), (545, 130622), (1090, 65311), (1205, 59078), (1355, 52538), (2410, 29539), (2710, 26269)]