16989861875

素因数分解:

$5^4\times 7^3\times {\mathrm{41}}^1\times {\mathrm{1933}}^1$

素因数の和:2015

約数の個数: 80

約数和(自身を含む): 25375627200

約数和(自身を除く): 8385765325

約数列:

[1, 5, 7, 25, 35, 41, 49, 125, 175, 205, 245, 287, 343, 625, 875, 1025, 1225, 1435, 1715, 1933, 2009, 4375, 5125, 6125, 7175, 8575, 9665, 10045, 13531, 14063, 25625, 30625, 35875, 42875, 48325, 50225, 67655, 70315, 79253, 94717, 179375, 214375, 241625, 251125, 338275, 351575, 396265, 473585, 554771, 663019, 1208125, 1255625, 1691375, 1757875, 1981325, 2367925, 2773855, 3315095, 3883397, 8456875, 8789375, 9906625, 11839625, 13869275, 16575475, 19416985, 27183779, 49533125, 59198125, 69346375, 82877375, 97084925, 135918895, 346731875, 414386875, 485424625, 679594475, 2427123125, 3397972375, 16989861875]

約数ペア:

[(1, 16989861875), (5, 3397972375), (7, 2427123125), (25, 679594475), (35, 485424625), (41, 414386875), (49, 346731875), (125, 135918895), (175, 97084925), (205, 82877375), (245, 69346375), (287, 59198125), (343, 49533125), (625, 27183779), (875, 19416985), (1025, 16575475), (1225, 13869275), (1435, 11839625), (1715, 9906625), (1933, 8789375), (2009, 8456875), (4375, 3883397), (5125, 3315095), (6125, 2773855), (7175, 2367925), (8575, 1981325), (9665, 1757875), (10045, 1691375), (13531, 1255625), (14063, 1208125), (25625, 663019), (30625, 554771), (35875, 473585), (42875, 396265), (48325, 351575), (50225, 338275), (67655, 251125), (70315, 241625), (79253, 214375), (94717, 179375)]