30691000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 73457280

約数和(自身を除く): 42766280

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 653, 940, 1000, 1175, 1306, 1880, 2350, 2612, 3265, 4700, 5224, 5875, 6530, 9400, 11750, 13060, 16325, 23500, 26120, 30691, 32650, 47000, 61382, 65300, 81625, 122764, 130600, 153455, 163250, 245528, 306910, 326500, 613820, 653000, 767275, 1227640, 1534550, 3069100, 3836375, 6138200, 7672750, 15345500, 30691000]

約数ペア:

[(1, 30691000), (2, 15345500), (4, 7672750), (5, 6138200), (8, 3836375), (10, 3069100), (20, 1534550), (25, 1227640), (40, 767275), (47, 653000), (50, 613820), (94, 326500), (100, 306910), (125, 245528), (188, 163250), (200, 153455), (235, 130600), (250, 122764), (376, 81625), (470, 65300), (500, 61382), (653, 47000), (940, 32650), (1000, 30691), (1175, 26120), (1306, 23500), (1880, 16325), (2350, 13060), (2612, 11750), (3265, 9400), (4700, 6530), (5224, 5875)]