1617758900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{857}}^1$

素因数の和:1353

約数の個数: 72

約数和(自身を含む): 3604560960

約数和(自身を除く): 1986802060

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 439, 857, 860, 878, 1075, 1714, 1756, 2150, 2195, 3428, 4285, 4300, 4390, 8570, 8780, 10975, 17140, 18877, 21425, 21950, 36851, 37754, 42850, 43900, 73702, 75508, 85700, 94385, 147404, 184255, 188770, 368510, 376223, 377540, 471925, 737020, 752446, 921275, 943850, 1504892, 1842550, 1881115, 1887700, 3685100, 3762230, 7524460, 9405575, 16177589, 18811150, 32355178, 37622300, 64710356, 80887945, 161775890, 323551780, 404439725, 808879450, 1617758900]

約数ペア:

[(1, 1617758900), (2, 808879450), (4, 404439725), (5, 323551780), (10, 161775890), (20, 80887945), (25, 64710356), (43, 37622300), (50, 32355178), (86, 18811150), (100, 16177589), (172, 9405575), (215, 7524460), (430, 3762230), (439, 3685100), (857, 1887700), (860, 1881115), (878, 1842550), (1075, 1504892), (1714, 943850), (1756, 921275), (2150, 752446), (2195, 737020), (3428, 471925), (4285, 377540), (4300, 376223), (4390, 368510), (8570, 188770), (8780, 184255), (10975, 147404), (17140, 94385), (18877, 85700), (21425, 75508), (21950, 73702), (36851, 43900), (37754, 42850)]