244400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:78

約数の個数: 60

約数和(自身を含む): 645792

約数和(自身を除く): 401392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 47, 50, 52, 65, 80, 94, 100, 104, 130, 188, 200, 208, 235, 260, 325, 376, 400, 470, 520, 611, 650, 752, 940, 1040, 1175, 1222, 1300, 1880, 2350, 2444, 2600, 3055, 3760, 4700, 4888, 5200, 6110, 9400, 9776, 12220, 15275, 18800, 24440, 30550, 48880, 61100, 122200, 244400]

約数ペア:

[(1, 244400), (2, 122200), (4, 61100), (5, 48880), (8, 30550), (10, 24440), (13, 18800), (16, 15275), (20, 12220), (25, 9776), (26, 9400), (40, 6110), (47, 5200), (50, 4888), (52, 4700), (65, 3760), (80, 3055), (94, 2600), (100, 2444), (104, 2350), (130, 1880), (188, 1300), (200, 1222), (208, 1175), (235, 1040), (260, 940), (325, 752), (376, 650), (400, 611), (470, 520)]