8690000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 100

約数和(自身を含む): 23242560

約数和(自身を除く): 14552560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 79, 80, 88, 100, 110, 125, 158, 176, 200, 220, 250, 275, 316, 395, 400, 440, 500, 550, 625, 632, 790, 869, 880, 1000, 1100, 1250, 1264, 1375, 1580, 1738, 1975, 2000, 2200, 2500, 2750, 3160, 3476, 3950, 4345, 4400, 5000, 5500, 6320, 6875, 6952, 7900, 8690, 9875, 10000, 11000, 13750, 13904, 15800, 17380, 19750, 21725, 22000, 27500, 31600, 34760, 39500, 43450, 49375, 55000, 69520, 79000, 86900, 98750, 108625, 110000, 158000, 173800, 197500, 217250, 347600, 395000, 434500, 543125, 790000, 869000, 1086250, 1738000, 2172500, 4345000, 8690000]

約数ペア:

[(1, 8690000), (2, 4345000), (4, 2172500), (5, 1738000), (8, 1086250), (10, 869000), (11, 790000), (16, 543125), (20, 434500), (22, 395000), (25, 347600), (40, 217250), (44, 197500), (50, 173800), (55, 158000), (79, 110000), (80, 108625), (88, 98750), (100, 86900), (110, 79000), (125, 69520), (158, 55000), (176, 49375), (200, 43450), (220, 39500), (250, 34760), (275, 31600), (316, 27500), (395, 22000), (400, 21725), (440, 19750), (500, 17380), (550, 15800), (625, 13904), (632, 13750), (790, 11000), (869, 10000), (880, 9875), (1000, 8690), (1100, 7900), (1250, 6952), (1264, 6875), (1375, 6320), (1580, 5500), (1738, 5000), (1975, 4400), (2000, 4345), (2200, 3950), (2500, 3476), (2750, 3160)]