2090500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 4730544

約数和(自身を除く): 2640044

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 113, 125, 148, 185, 226, 250, 370, 452, 500, 565, 740, 925, 1130, 1850, 2260, 2825, 3700, 4181, 4625, 5650, 8362, 9250, 11300, 14125, 16724, 18500, 20905, 28250, 41810, 56500, 83620, 104525, 209050, 418100, 522625, 1045250, 2090500]

約数ペア:

[(1, 2090500), (2, 1045250), (4, 522625), (5, 418100), (10, 209050), (20, 104525), (25, 83620), (37, 56500), (50, 41810), (74, 28250), (100, 20905), (113, 18500), (125, 16724), (148, 14125), (185, 11300), (226, 9250), (250, 8362), (370, 5650), (452, 4625), (500, 4181), (565, 3700), (740, 2825), (925, 2260), (1130, 1850)]