199433750

素因数分解:

$2^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{1549}}^1$

素因数の和:1674

約数の個数: 40

約数和(自身を含む): 377691600

約数和(自身を除く): 178257850

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 515, 625, 1030, 1250, 1549, 2575, 3098, 5150, 7745, 12875, 15490, 25750, 38725, 64375, 77450, 128750, 159547, 193625, 319094, 387250, 797735, 968125, 1595470, 1936250, 3988675, 7977350, 19943375, 39886750, 99716875, 199433750]

約数ペア:

[(1, 199433750), (2, 99716875), (5, 39886750), (10, 19943375), (25, 7977350), (50, 3988675), (103, 1936250), (125, 1595470), (206, 968125), (250, 797735), (515, 387250), (625, 319094), (1030, 193625), (1250, 159547), (1549, 128750), (2575, 77450), (3098, 64375), (5150, 38725), (7745, 25750), (12875, 15490)]