64907000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1449

約数の個数: 64

約数和(自身を含む): 155226240

約数和(自身を除く): 90319240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 940, 1000, 1175, 1381, 1880, 2350, 2762, 4700, 5524, 5875, 6905, 9400, 11048, 11750, 13810, 23500, 27620, 34525, 47000, 55240, 64907, 69050, 129814, 138100, 172625, 259628, 276200, 324535, 345250, 519256, 649070, 690500, 1298140, 1381000, 1622675, 2596280, 3245350, 6490700, 8113375, 12981400, 16226750, 32453500, 64907000]

約数ペア:

[(1, 64907000), (2, 32453500), (4, 16226750), (5, 12981400), (8, 8113375), (10, 6490700), (20, 3245350), (25, 2596280), (40, 1622675), (47, 1381000), (50, 1298140), (94, 690500), (100, 649070), (125, 519256), (188, 345250), (200, 324535), (235, 276200), (250, 259628), (376, 172625), (470, 138100), (500, 129814), (940, 69050), (1000, 64907), (1175, 55240), (1381, 47000), (1880, 34525), (2350, 27620), (2762, 23500), (4700, 13810), (5524, 11750), (5875, 11048), (6905, 9400)]