31080250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 63078912

約数和(自身を除く): 31998662

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 103, 125, 142, 170, 206, 250, 355, 425, 515, 710, 850, 1030, 1207, 1751, 1775, 2125, 2414, 2575, 3502, 3550, 4250, 5150, 6035, 7313, 8755, 8875, 12070, 12875, 14626, 17510, 17750, 25750, 30175, 36565, 43775, 60350, 73130, 87550, 124321, 150875, 182825, 218875, 248642, 301750, 365650, 437750, 621605, 914125, 1243210, 1828250, 3108025, 6216050, 15540125, 31080250]

約数ペア:

[(1, 31080250), (2, 15540125), (5, 6216050), (10, 3108025), (17, 1828250), (25, 1243210), (34, 914125), (50, 621605), (71, 437750), (85, 365650), (103, 301750), (125, 248642), (142, 218875), (170, 182825), (206, 150875), (250, 124321), (355, 87550), (425, 73130), (515, 60350), (710, 43775), (850, 36565), (1030, 30175), (1207, 25750), (1751, 17750), (1775, 17510), (2125, 14626), (2414, 12875), (2575, 12070), (3502, 8875), (3550, 8755), (4250, 7313), (5150, 6035)]