142498000

素因数分解:

$2^4\times 5^3\times {\mathrm{71249}}^1$

素因数の和:71272

約数の個数: 40

約数和(自身を含む): 344565000

約数和(自身を除く): 202067000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 71249, 142498, 284996, 356245, 569992, 712490, 1139984, 1424980, 1781225, 2849960, 3562450, 5699920, 7124900, 8906125, 14249800, 17812250, 28499600, 35624500, 71249000, 142498000]

約数ペア:

[(1, 142498000), (2, 71249000), (4, 35624500), (5, 28499600), (8, 17812250), (10, 14249800), (16, 8906125), (20, 7124900), (25, 5699920), (40, 3562450), (50, 2849960), (80, 1781225), (100, 1424980), (125, 1139984), (200, 712490), (250, 569992), (400, 356245), (500, 284996), (1000, 142498), (2000, 71249)]