4438000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{317}}^1$

素因数の和:347

約数の個数: 80

約数和(自身を含む): 12302784

約数和(自身を除く): 7864784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 317, 350, 400, 500, 560, 634, 700, 875, 1000, 1268, 1400, 1585, 1750, 2000, 2219, 2536, 2800, 3170, 3500, 4438, 5072, 6340, 7000, 7925, 8876, 11095, 12680, 14000, 15850, 17752, 22190, 25360, 31700, 35504, 39625, 44380, 55475, 63400, 79250, 88760, 110950, 126800, 158500, 177520, 221900, 277375, 317000, 443800, 554750, 634000, 887600, 1109500, 2219000, 4438000]

約数ペア:

[(1, 4438000), (2, 2219000), (4, 1109500), (5, 887600), (7, 634000), (8, 554750), (10, 443800), (14, 317000), (16, 277375), (20, 221900), (25, 177520), (28, 158500), (35, 126800), (40, 110950), (50, 88760), (56, 79250), (70, 63400), (80, 55475), (100, 44380), (112, 39625), (125, 35504), (140, 31700), (175, 25360), (200, 22190), (250, 17752), (280, 15850), (317, 14000), (350, 12680), (400, 11095), (500, 8876), (560, 7925), (634, 7000), (700, 6340), (875, 5072), (1000, 4438), (1268, 3500), (1400, 3170), (1585, 2800), (1750, 2536), (2000, 2219)]