4257800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 10090500

約数和(自身を除く): 5832700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 349, 488, 610, 698, 1220, 1396, 1525, 1745, 2440, 2792, 3050, 3490, 6100, 6980, 8725, 12200, 13960, 17450, 21289, 34900, 42578, 69800, 85156, 106445, 170312, 212890, 425780, 532225, 851560, 1064450, 2128900, 4257800]

約数ペア:

[(1, 4257800), (2, 2128900), (4, 1064450), (5, 851560), (8, 532225), (10, 425780), (20, 212890), (25, 170312), (40, 106445), (50, 85156), (61, 69800), (100, 42578), (122, 34900), (200, 21289), (244, 17450), (305, 13960), (349, 12200), (488, 8725), (610, 6980), (698, 6100), (1220, 3490), (1396, 3050), (1525, 2792), (1745, 2440)]