128629000

素因数分解:

$2^3\times 5^3\times {\mathrm{128629}}^1$

素因数の和:128650

約数の個数: 32

約数和(自身を含む): 300994200

約数和(自身を除く): 172365200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 128629, 257258, 514516, 643145, 1029032, 1286290, 2572580, 3215725, 5145160, 6431450, 12862900, 16078625, 25725800, 32157250, 64314500, 128629000]

約数ペア:

[(1, 128629000), (2, 64314500), (4, 32157250), (5, 25725800), (8, 16078625), (10, 12862900), (20, 6431450), (25, 5145160), (40, 3215725), (50, 2572580), (100, 1286290), (125, 1029032), (200, 643145), (250, 514516), (500, 257258), (1000, 128629)]