634642000

素因数分解:

$2^4\times 5^3\times {\mathrm{317321}}^1$

素因数の和:317344

約数の個数: 40

約数和(自身を含む): 1534569192

約数和(自身を除く): 899927192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 317321, 634642, 1269284, 1586605, 2538568, 3173210, 5077136, 6346420, 7933025, 12692840, 15866050, 25385680, 31732100, 39665125, 63464200, 79330250, 126928400, 158660500, 317321000, 634642000]

約数ペア:

[(1, 634642000), (2, 317321000), (4, 158660500), (5, 126928400), (8, 79330250), (10, 63464200), (16, 39665125), (20, 31732100), (25, 25385680), (40, 15866050), (50, 12692840), (80, 7933025), (100, 6346420), (125, 5077136), (200, 3173210), (250, 2538568), (400, 1586605), (500, 1269284), (1000, 634642), (2000, 317321)]