316378000

素因数分解:

$2^4\times 5^3\times {\mathrm{158189}}^1$

素因数の和:158212

約数の個数: 40

約数和(自身を含む): 765006840

約数和(自身を除く): 448628840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 158189, 316378, 632756, 790945, 1265512, 1581890, 2531024, 3163780, 3954725, 6327560, 7909450, 12655120, 15818900, 19773625, 31637800, 39547250, 63275600, 79094500, 158189000, 316378000]

約数ペア:

[(1, 316378000), (2, 158189000), (4, 79094500), (5, 63275600), (8, 39547250), (10, 31637800), (16, 19773625), (20, 15818900), (25, 12655120), (40, 7909450), (50, 6327560), (80, 3954725), (100, 3163780), (125, 2531024), (200, 1581890), (250, 1265512), (400, 790945), (500, 632756), (1000, 316378), (2000, 158189)]