31132780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 80510976

約数和(自身を除く): 49378196

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 103, 119, 127, 140, 170, 206, 238, 254, 340, 412, 476, 508, 515, 595, 635, 721, 889, 1030, 1190, 1270, 1442, 1751, 1778, 2060, 2159, 2380, 2540, 2884, 3502, 3556, 3605, 4318, 4445, 7004, 7210, 8636, 8755, 8890, 10795, 12257, 13081, 14420, 15113, 17510, 17780, 21590, 24514, 26162, 30226, 35020, 43180, 49028, 52324, 60452, 61285, 65405, 75565, 91567, 122570, 130810, 151130, 183134, 222377, 245140, 261620, 302260, 366268, 444754, 457835, 889508, 915670, 1111885, 1556639, 1831340, 2223770, 3113278, 4447540, 6226556, 7783195, 15566390, 31132780]

約数ペア:

[(1, 31132780), (2, 15566390), (4, 7783195), (5, 6226556), (7, 4447540), (10, 3113278), (14, 2223770), (17, 1831340), (20, 1556639), (28, 1111885), (34, 915670), (35, 889508), (68, 457835), (70, 444754), (85, 366268), (103, 302260), (119, 261620), (127, 245140), (140, 222377), (170, 183134), (206, 151130), (238, 130810), (254, 122570), (340, 91567), (412, 75565), (476, 65405), (508, 61285), (515, 60452), (595, 52324), (635, 49028), (721, 43180), (889, 35020), (1030, 30226), (1190, 26162), (1270, 24514), (1442, 21590), (1751, 17780), (1778, 17510), (2060, 15113), (2159, 14420), (2380, 13081), (2540, 12257), (2884, 10795), (3502, 8890), (3556, 8755), (3605, 8636), (4318, 7210), (4445, 7004)]