155217500

素因数分解:

$2^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1392

約数の個数: 60

約数和(自身を含む): 346913952

約数和(自身を除く): 191696452

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 235, 250, 470, 500, 625, 940, 1175, 1250, 1321, 2350, 2500, 2642, 4700, 5284, 5875, 6605, 11750, 13210, 23500, 26420, 29375, 33025, 58750, 62087, 66050, 117500, 124174, 132100, 165125, 248348, 310435, 330250, 620870, 660500, 825625, 1241740, 1552175, 1651250, 3104350, 3302500, 6208700, 7760875, 15521750, 31043500, 38804375, 77608750, 155217500]

約数ペア:

[(1, 155217500), (2, 77608750), (4, 38804375), (5, 31043500), (10, 15521750), (20, 7760875), (25, 6208700), (47, 3302500), (50, 3104350), (94, 1651250), (100, 1552175), (125, 1241740), (188, 825625), (235, 660500), (250, 620870), (470, 330250), (500, 310435), (625, 248348), (940, 165125), (1175, 132100), (1250, 124174), (1321, 117500), (2350, 66050), (2500, 62087), (2642, 58750), (4700, 33025), (5284, 29375), (5875, 26420), (6605, 23500), (11750, 13210)]