7949000

素因数分解:

$2^3\times 5^3\times {\mathrm{7949}}^1$

素因数の和:7970

約数の個数: 32

約数和(自身を含む): 18603000

約数和(自身を除く): 10654000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 7949, 15898, 31796, 39745, 63592, 79490, 158980, 198725, 317960, 397450, 794900, 993625, 1589800, 1987250, 3974500, 7949000]

約数ペア:

[(1, 7949000), (2, 3974500), (4, 1987250), (5, 1589800), (8, 993625), (10, 794900), (20, 397450), (25, 317960), (40, 198725), (50, 158980), (100, 79490), (125, 63592), (200, 39745), (250, 31796), (500, 15898), (1000, 7949)]