19079375

素因数分解:

$5^4\times 7^3\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 40

約数和(自身を含む): 28116000

約数和(自身を除く): 9036625

約数列:

[1, 5, 7, 25, 35, 49, 89, 125, 175, 245, 343, 445, 623, 625, 875, 1225, 1715, 2225, 3115, 4361, 4375, 6125, 8575, 11125, 15575, 21805, 30527, 30625, 42875, 55625, 77875, 109025, 152635, 214375, 389375, 545125, 763175, 2725625, 3815875, 19079375]

約数ペア:

[(1, 19079375), (5, 3815875), (7, 2725625), (25, 763175), (35, 545125), (49, 389375), (89, 214375), (125, 152635), (175, 109025), (245, 77875), (343, 55625), (445, 42875), (623, 30625), (625, 30527), (875, 21805), (1225, 15575), (1715, 11125), (2225, 8575), (3115, 6125), (4361, 4375)]