78175970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1069}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 144218880

約数和(自身を除く): 66042910

約数列:

[1, 2, 5, 10, 71, 103, 142, 206, 355, 515, 710, 1030, 1069, 2138, 5345, 7313, 10690, 14626, 36565, 73130, 75899, 110107, 151798, 220214, 379495, 550535, 758990, 1101070, 7817597, 15635194, 39087985, 78175970]

約数ペア:

[(1, 78175970), (2, 39087985), (5, 15635194), (10, 7817597), (71, 1101070), (103, 758990), (142, 550535), (206, 379495), (355, 220214), (515, 151798), (710, 110107), (1030, 75899), (1069, 73130), (2138, 36565), (5345, 14626), (7313, 10690)]