275384020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{5827}}^1$

素因数の和:5992

約数の個数: 48

約数和(自身を含む): 616835520

約数和(自身を除く): 341451500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4726, 5827, 9452, 11654, 11815, 23308, 23630, 29135, 47260, 58270, 99059, 116540, 198118, 396236, 495295, 809953, 990590, 1619906, 1981180, 3239812, 4049765, 8099530, 13769201, 16199060, 27538402, 55076804, 68846005, 137692010, 275384020]

約数ペア:

[(1, 275384020), (2, 137692010), (4, 68846005), (5, 55076804), (10, 27538402), (17, 16199060), (20, 13769201), (34, 8099530), (68, 4049765), (85, 3239812), (139, 1981180), (170, 1619906), (278, 990590), (340, 809953), (556, 495295), (695, 396236), (1390, 198118), (2363, 116540), (2780, 99059), (4726, 58270), (5827, 47260), (9452, 29135), (11654, 23630), (11815, 23308)]