137617880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1031}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 320993280

約数和(自身を除く): 183375400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 71, 94, 142, 188, 235, 284, 355, 376, 470, 568, 710, 940, 1031, 1420, 1880, 2062, 2840, 3337, 4124, 5155, 6674, 8248, 10310, 13348, 16685, 20620, 26696, 33370, 41240, 48457, 66740, 73201, 96914, 133480, 146402, 193828, 242285, 292804, 366005, 387656, 484570, 585608, 732010, 969140, 1464020, 1938280, 2928040, 3440447, 6880894, 13761788, 17202235, 27523576, 34404470, 68808940, 137617880]

約数ペア:

[(1, 137617880), (2, 68808940), (4, 34404470), (5, 27523576), (8, 17202235), (10, 13761788), (20, 6880894), (40, 3440447), (47, 2928040), (71, 1938280), (94, 1464020), (142, 969140), (188, 732010), (235, 585608), (284, 484570), (355, 387656), (376, 366005), (470, 292804), (568, 242285), (710, 193828), (940, 146402), (1031, 133480), (1420, 96914), (1880, 73201), (2062, 66740), (2840, 48457), (3337, 41240), (4124, 33370), (5155, 26696), (6674, 20620), (8248, 16685), (10310, 13348)]