855096380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1\times {\mathrm{1823}}^1$

素因数の和:2378

約数の個数: 48

約数和(自身を含む): 1838592000

約数和(自身を除く): 983495620

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 499, 940, 998, 1823, 1996, 2495, 3646, 4990, 7292, 9115, 9980, 18230, 23453, 36460, 46906, 85681, 93812, 117265, 171362, 234530, 342724, 428405, 469060, 856810, 909677, 1713620, 1819354, 3638708, 4548385, 9096770, 18193540, 42754819, 85509638, 171019276, 213774095, 427548190, 855096380]

約数ペア:

[(1, 855096380), (2, 427548190), (4, 213774095), (5, 171019276), (10, 85509638), (20, 42754819), (47, 18193540), (94, 9096770), (188, 4548385), (235, 3638708), (470, 1819354), (499, 1713620), (940, 909677), (998, 856810), (1823, 469060), (1996, 428405), (2495, 342724), (3646, 234530), (4990, 171362), (7292, 117265), (9115, 93812), (9980, 85681), (18230, 46906), (23453, 36460)]