28652580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 98280000

約数和(自身を除く): 69627420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 33, 36, 44, 45, 55, 58, 60, 66, 87, 90, 99, 110, 116, 132, 145, 165, 174, 180, 198, 220, 261, 290, 319, 330, 348, 396, 435, 495, 499, 522, 580, 638, 660, 870, 957, 990, 998, 1044, 1276, 1305, 1497, 1595, 1740, 1914, 1980, 1996, 2495, 2610, 2871, 2994, 3190, 3828, 4491, 4785, 4990, 5220, 5489, 5742, 5988, 6380, 7485, 8982, 9570, 9980, 10978, 11484, 14355, 14471, 14970, 16467, 17964, 19140, 21956, 22455, 27445, 28710, 28942, 29940, 32934, 43413, 44910, 49401, 54890, 57420, 57884, 65868, 72355, 82335, 86826, 89820, 98802, 109780, 130239, 144710, 159181, 164670, 173652, 197604, 217065, 247005, 260478, 289420, 318362, 329340, 434130, 477543, 494010, 520956, 636724, 651195, 795905, 868260, 955086, 988020, 1302390, 1432629, 1591810, 1910172, 2387715, 2604780, 2865258, 3183620, 4775430, 5730516, 7163145, 9550860, 14326290, 28652580]

約数ペア:

[(1, 28652580), (2, 14326290), (3, 9550860), (4, 7163145), (5, 5730516), (6, 4775430), (9, 3183620), (10, 2865258), (11, 2604780), (12, 2387715), (15, 1910172), (18, 1591810), (20, 1432629), (22, 1302390), (29, 988020), (30, 955086), (33, 868260), (36, 795905), (44, 651195), (45, 636724), (55, 520956), (58, 494010), (60, 477543), (66, 434130), (87, 329340), (90, 318362), (99, 289420), (110, 260478), (116, 247005), (132, 217065), (145, 197604), (165, 173652), (174, 164670), (180, 159181), (198, 144710), (220, 130239), (261, 109780), (290, 98802), (319, 89820), (330, 86826), (348, 82335), (396, 72355), (435, 65868), (495, 57884), (499, 57420), (522, 54890), (580, 49401), (638, 44910), (660, 43413), (870, 32934), (957, 29940), (990, 28942), (998, 28710), (1044, 27445), (1276, 22455), (1305, 21956), (1497, 19140), (1595, 17964), (1740, 16467), (1914, 14970), (1980, 14471), (1996, 14355), (2495, 11484), (2610, 10978), (2871, 9980), (2994, 9570), (3190, 8982), (3828, 7485), (4491, 6380), (4785, 5988), (4990, 5742), (5220, 5489)]