7505000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 18744000

約数和(自身を除く): 11239000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 79, 95, 100, 125, 152, 158, 190, 200, 250, 316, 380, 395, 475, 500, 625, 632, 760, 790, 950, 1000, 1250, 1501, 1580, 1900, 1975, 2375, 2500, 3002, 3160, 3800, 3950, 4750, 5000, 6004, 7505, 7900, 9500, 9875, 11875, 12008, 15010, 15800, 19000, 19750, 23750, 30020, 37525, 39500, 47500, 49375, 60040, 75050, 79000, 95000, 98750, 150100, 187625, 197500, 300200, 375250, 395000, 750500, 938125, 1501000, 1876250, 3752500, 7505000]

約数ペア:

[(1, 7505000), (2, 3752500), (4, 1876250), (5, 1501000), (8, 938125), (10, 750500), (19, 395000), (20, 375250), (25, 300200), (38, 197500), (40, 187625), (50, 150100), (76, 98750), (79, 95000), (95, 79000), (100, 75050), (125, 60040), (152, 49375), (158, 47500), (190, 39500), (200, 37525), (250, 30020), (316, 23750), (380, 19750), (395, 19000), (475, 15800), (500, 15010), (625, 12008), (632, 11875), (760, 9875), (790, 9500), (950, 7900), (1000, 7505), (1250, 6004), (1501, 5000), (1580, 4750), (1900, 3950), (1975, 3800), (2375, 3160), (2500, 3002)]