18067700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 45747072

約数和(自身を除く): 27679372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 140, 175, 212, 265, 350, 371, 487, 530, 700, 742, 974, 1060, 1325, 1484, 1855, 1948, 2435, 2650, 3409, 3710, 4870, 5300, 6818, 7420, 9275, 9740, 12175, 13636, 17045, 18550, 24350, 25811, 34090, 37100, 48700, 51622, 68180, 85225, 103244, 129055, 170450, 180677, 258110, 340900, 361354, 516220, 645275, 722708, 903385, 1290550, 1806770, 2581100, 3613540, 4516925, 9033850, 18067700]

約数ペア:

[(1, 18067700), (2, 9033850), (4, 4516925), (5, 3613540), (7, 2581100), (10, 1806770), (14, 1290550), (20, 903385), (25, 722708), (28, 645275), (35, 516220), (50, 361354), (53, 340900), (70, 258110), (100, 180677), (106, 170450), (140, 129055), (175, 103244), (212, 85225), (265, 68180), (350, 51622), (371, 48700), (487, 37100), (530, 34090), (700, 25811), (742, 24350), (974, 18550), (1060, 17045), (1325, 13636), (1484, 12175), (1855, 9740), (1948, 9275), (2435, 7420), (2650, 6818), (3409, 5300), (3710, 4870)]