1557400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 3906000

約数和(自身を除く): 2348600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 599, 650, 1198, 1300, 2396, 2600, 2995, 4792, 5990, 7787, 11980, 14975, 15574, 23960, 29950, 31148, 38935, 59900, 62296, 77870, 119800, 155740, 194675, 311480, 389350, 778700, 1557400]

約数ペア:

[(1, 1557400), (2, 778700), (4, 389350), (5, 311480), (8, 194675), (10, 155740), (13, 119800), (20, 77870), (25, 62296), (26, 59900), (40, 38935), (50, 31148), (52, 29950), (65, 23960), (100, 15574), (104, 14975), (130, 11980), (200, 7787), (260, 5990), (325, 4792), (520, 2995), (599, 2600), (650, 2396), (1198, 1300)]