64282750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 139201920

約数和(自身を除く): 74919170

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 125, 175, 218, 250, 337, 350, 545, 674, 763, 875, 1090, 1526, 1685, 1750, 2359, 2725, 3370, 3815, 4718, 5450, 7630, 8425, 11795, 13625, 16850, 19075, 23590, 27250, 36733, 38150, 42125, 58975, 73466, 84250, 95375, 117950, 183665, 190750, 257131, 294875, 367330, 514262, 589750, 918325, 1285655, 1836650, 2571310, 4591625, 6428275, 9183250, 12856550, 32141375, 64282750]

約数ペア:

[(1, 64282750), (2, 32141375), (5, 12856550), (7, 9183250), (10, 6428275), (14, 4591625), (25, 2571310), (35, 1836650), (50, 1285655), (70, 918325), (109, 589750), (125, 514262), (175, 367330), (218, 294875), (250, 257131), (337, 190750), (350, 183665), (545, 117950), (674, 95375), (763, 84250), (875, 73466), (1090, 58975), (1526, 42125), (1685, 38150), (1750, 36733), (2359, 27250), (2725, 23590), (3370, 19075), (3815, 16850), (4718, 13625), (5450, 11795), (7630, 8425)]