18313400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 49520640

約数和(自身を除く): 31207240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 103, 127, 140, 175, 200, 206, 254, 280, 350, 412, 508, 515, 635, 700, 721, 824, 889, 1016, 1030, 1270, 1400, 1442, 1778, 2060, 2540, 2575, 2884, 3175, 3556, 3605, 4120, 4445, 5080, 5150, 5768, 6350, 7112, 7210, 8890, 10300, 12700, 13081, 14420, 17780, 18025, 20600, 22225, 25400, 26162, 28840, 35560, 36050, 44450, 52324, 65405, 72100, 88900, 91567, 104648, 130810, 144200, 177800, 183134, 261620, 327025, 366268, 457835, 523240, 654050, 732536, 915670, 1308100, 1831340, 2289175, 2616200, 3662680, 4578350, 9156700, 18313400]

約数ペア:

[(1, 18313400), (2, 9156700), (4, 4578350), (5, 3662680), (7, 2616200), (8, 2289175), (10, 1831340), (14, 1308100), (20, 915670), (25, 732536), (28, 654050), (35, 523240), (40, 457835), (50, 366268), (56, 327025), (70, 261620), (100, 183134), (103, 177800), (127, 144200), (140, 130810), (175, 104648), (200, 91567), (206, 88900), (254, 72100), (280, 65405), (350, 52324), (412, 44450), (508, 36050), (515, 35560), (635, 28840), (700, 26162), (721, 25400), (824, 22225), (889, 20600), (1016, 18025), (1030, 17780), (1270, 14420), (1400, 13081), (1442, 12700), (1778, 10300), (2060, 8890), (2540, 7210), (2575, 7112), (2884, 6350), (3175, 5768), (3556, 5150), (3605, 5080), (4120, 4445)]