2215000

素因数分解:

$2^3\times 5^4\times {\mathrm{443}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 5201460

約数和(自身を除く): 2986460

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 443, 500, 625, 886, 1000, 1250, 1772, 2215, 2500, 3544, 4430, 5000, 8860, 11075, 17720, 22150, 44300, 55375, 88600, 110750, 221500, 276875, 443000, 553750, 1107500, 2215000]

約数ペア:

[(1, 2215000), (2, 1107500), (4, 553750), (5, 443000), (8, 276875), (10, 221500), (20, 110750), (25, 88600), (40, 55375), (50, 44300), (100, 22150), (125, 17720), (200, 11075), (250, 8860), (443, 5000), (500, 4430), (625, 3544), (886, 2500), (1000, 2215), (1250, 1772)]