88220000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{401}}^1$

素因数の和:442

約数の個数: 120

約数和(自身を含む): 237355272

約数和(自身を除く): 149135272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 400, 401, 440, 500, 550, 625, 800, 802, 880, 1000, 1100, 1250, 1375, 1604, 1760, 2000, 2005, 2200, 2500, 2750, 3208, 4000, 4010, 4400, 4411, 5000, 5500, 6416, 6875, 8020, 8800, 8822, 10000, 10025, 11000, 12832, 13750, 16040, 17644, 20000, 20050, 22000, 22055, 27500, 32080, 35288, 40100, 44000, 44110, 50125, 55000, 64160, 70576, 80200, 88220, 100250, 110000, 110275, 141152, 160400, 176440, 200500, 220000, 220550, 250625, 320800, 352880, 401000, 441100, 501250, 551375, 705760, 802000, 882200, 1002500, 1102750, 1604000, 1764400, 2005000, 2205500, 2756875, 3528800, 4010000, 4411000, 5513750, 8020000, 8822000, 11027500, 17644000, 22055000, 44110000, 88220000]

約数ペア:

[(1, 88220000), (2, 44110000), (4, 22055000), (5, 17644000), (8, 11027500), (10, 8822000), (11, 8020000), (16, 5513750), (20, 4411000), (22, 4010000), (25, 3528800), (32, 2756875), (40, 2205500), (44, 2005000), (50, 1764400), (55, 1604000), (80, 1102750), (88, 1002500), (100, 882200), (110, 802000), (125, 705760), (160, 551375), (176, 501250), (200, 441100), (220, 401000), (250, 352880), (275, 320800), (352, 250625), (400, 220550), (401, 220000), (440, 200500), (500, 176440), (550, 160400), (625, 141152), (800, 110275), (802, 110000), (880, 100250), (1000, 88220), (1100, 80200), (1250, 70576), (1375, 64160), (1604, 55000), (1760, 50125), (2000, 44110), (2005, 44000), (2200, 40100), (2500, 35288), (2750, 32080), (3208, 27500), (4000, 22055), (4010, 22000), (4400, 20050), (4411, 20000), (5000, 17644), (5500, 16040), (6416, 13750), (6875, 12832), (8020, 11000), (8800, 10025), (8822, 10000)]