78445000

素因数分解:

$2^3\times 5^4\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 190485900

約数和(自身を除く): 112040900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 541, 580, 625, 725, 1000, 1082, 1160, 1250, 1450, 2164, 2500, 2705, 2900, 3625, 4328, 5000, 5410, 5800, 7250, 10820, 13525, 14500, 15689, 18125, 21640, 27050, 29000, 31378, 36250, 54100, 62756, 67625, 72500, 78445, 108200, 125512, 135250, 145000, 156890, 270500, 313780, 338125, 392225, 541000, 627560, 676250, 784450, 1352500, 1568900, 1961125, 2705000, 3137800, 3922250, 7844500, 9805625, 15689000, 19611250, 39222500, 78445000]

約数ペア:

[(1, 78445000), (2, 39222500), (4, 19611250), (5, 15689000), (8, 9805625), (10, 7844500), (20, 3922250), (25, 3137800), (29, 2705000), (40, 1961125), (50, 1568900), (58, 1352500), (100, 784450), (116, 676250), (125, 627560), (145, 541000), (200, 392225), (232, 338125), (250, 313780), (290, 270500), (500, 156890), (541, 145000), (580, 135250), (625, 125512), (725, 108200), (1000, 78445), (1082, 72500), (1160, 67625), (1250, 62756), (1450, 54100), (2164, 36250), (2500, 31378), (2705, 29000), (2900, 27050), (3625, 21640), (4328, 18125), (5000, 15689), (5410, 14500), (5800, 13525), (7250, 10820)]