79121890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4679}}^1$

素因数の和:4794

約数の個数: 32

約数和(自身を含む): 151632000

約数和(自身を除く): 72510110

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 4679, 8455, 9358, 16910, 23395, 46790, 88901, 177802, 416431, 444505, 832862, 889010, 2082155, 4164310, 7912189, 15824378, 39560945, 79121890]

約数ペア:

[(1, 79121890), (2, 39560945), (5, 15824378), (10, 7912189), (19, 4164310), (38, 2082155), (89, 889010), (95, 832862), (178, 444505), (190, 416431), (445, 177802), (890, 88901), (1691, 46790), (3382, 23395), (4679, 16910), (8455, 9358)]