87305000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:964

約数の個数: 80

約数和(自身を含む): 215556000

約数和(自身を除く): 128251000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 625, 760, 919, 950, 1000, 1250, 1838, 1900, 2375, 2500, 3676, 3800, 4595, 4750, 5000, 7352, 9190, 9500, 11875, 17461, 18380, 19000, 22975, 23750, 34922, 36760, 45950, 47500, 69844, 87305, 91900, 95000, 114875, 139688, 174610, 183800, 229750, 349220, 436525, 459500, 574375, 698440, 873050, 919000, 1148750, 1746100, 2182625, 2297500, 3492200, 4365250, 4595000, 8730500, 10913125, 17461000, 21826250, 43652500, 87305000]

約数ペア:

[(1, 87305000), (2, 43652500), (4, 21826250), (5, 17461000), (8, 10913125), (10, 8730500), (19, 4595000), (20, 4365250), (25, 3492200), (38, 2297500), (40, 2182625), (50, 1746100), (76, 1148750), (95, 919000), (100, 873050), (125, 698440), (152, 574375), (190, 459500), (200, 436525), (250, 349220), (380, 229750), (475, 183800), (500, 174610), (625, 139688), (760, 114875), (919, 95000), (950, 91900), (1000, 87305), (1250, 69844), (1838, 47500), (1900, 45950), (2375, 36760), (2500, 34922), (3676, 23750), (3800, 22975), (4595, 19000), (4750, 18380), (5000, 17461), (7352, 11875), (9190, 9500)]