27478000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1283

約数の個数: 80

約数和(自身を含む): 72540000

約数和(自身を除く): 45062000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1249, 1375, 2000, 2200, 2498, 2750, 4400, 4996, 5500, 6245, 9992, 11000, 12490, 13739, 19984, 22000, 24980, 27478, 31225, 49960, 54956, 62450, 68695, 99920, 109912, 124900, 137390, 156125, 219824, 249800, 274780, 312250, 343475, 499600, 549560, 624500, 686950, 1099120, 1249000, 1373900, 1717375, 2498000, 2747800, 3434750, 5495600, 6869500, 13739000, 27478000]

約数ペア:

[(1, 27478000), (2, 13739000), (4, 6869500), (5, 5495600), (8, 3434750), (10, 2747800), (11, 2498000), (16, 1717375), (20, 1373900), (22, 1249000), (25, 1099120), (40, 686950), (44, 624500), (50, 549560), (55, 499600), (80, 343475), (88, 312250), (100, 274780), (110, 249800), (125, 219824), (176, 156125), (200, 137390), (220, 124900), (250, 109912), (275, 99920), (400, 68695), (440, 62450), (500, 54956), (550, 49960), (880, 31225), (1000, 27478), (1100, 24980), (1249, 22000), (1375, 19984), (2000, 13739), (2200, 12490), (2498, 11000), (2750, 9992), (4400, 6245), (4996, 5500)]