2205500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 5267808

約数和(自身を除く): 3062308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 401, 500, 550, 802, 1100, 1375, 1604, 2005, 2750, 4010, 4411, 5500, 8020, 8822, 10025, 17644, 20050, 22055, 40100, 44110, 50125, 88220, 100250, 110275, 200500, 220550, 441100, 551375, 1102750, 2205500]

約数ペア:

[(1, 2205500), (2, 1102750), (4, 551375), (5, 441100), (10, 220550), (11, 200500), (20, 110275), (22, 100250), (25, 88220), (44, 50125), (50, 44110), (55, 40100), (100, 22055), (110, 20050), (125, 17644), (220, 10025), (250, 8822), (275, 8020), (401, 5500), (500, 4411), (550, 4010), (802, 2750), (1100, 2005), (1375, 1604)]