140702950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 267840000

約数和(自身を除く): 127137050

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 179, 199, 358, 395, 398, 790, 895, 995, 1790, 1975, 1990, 3950, 4475, 4975, 8950, 9950, 14141, 15721, 28282, 31442, 35621, 70705, 71242, 78605, 141410, 157210, 178105, 353525, 356210, 393025, 707050, 786050, 890525, 1781050, 2814059, 5628118, 14070295, 28140590, 70351475, 140702950]

約数ペア:

[(1, 140702950), (2, 70351475), (5, 28140590), (10, 14070295), (25, 5628118), (50, 2814059), (79, 1781050), (158, 890525), (179, 786050), (199, 707050), (358, 393025), (395, 356210), (398, 353525), (790, 178105), (895, 157210), (995, 141410), (1790, 78605), (1975, 71242), (1990, 70705), (3950, 35621), (4475, 31442), (4975, 28282), (8950, 15721), (9950, 14141)]