422000

素因数分解:

$2^4\times 5^3\times {\mathrm{211}}^1$

素因数の和:234

約数の個数: 40

約数和(自身を含む): 1025232

約数和(自身を除く): 603232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 211, 250, 400, 422, 500, 844, 1000, 1055, 1688, 2000, 2110, 3376, 4220, 5275, 8440, 10550, 16880, 21100, 26375, 42200, 52750, 84400, 105500, 211000, 422000]

約数ペア:

[(1, 422000), (2, 211000), (4, 105500), (5, 84400), (8, 52750), (10, 42200), (16, 26375), (20, 21100), (25, 16880), (40, 10550), (50, 8440), (80, 5275), (100, 4220), (125, 3376), (200, 2110), (211, 2000), (250, 1688), (400, 1055), (422, 1000), (500, 844)]