171198820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1259}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 388221120

約数和(自身を除く): 217022300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 523, 1046, 1259, 2092, 2518, 2615, 5036, 5230, 6295, 6799, 10460, 12590, 13598, 16367, 25180, 27196, 32734, 33995, 65468, 67990, 81835, 135980, 163670, 327340, 658457, 1316914, 2633828, 3292285, 6584570, 8559941, 13169140, 17119882, 34239764, 42799705, 85599410, 171198820]

約数ペア:

[(1, 171198820), (2, 85599410), (4, 42799705), (5, 34239764), (10, 17119882), (13, 13169140), (20, 8559941), (26, 6584570), (52, 3292285), (65, 2633828), (130, 1316914), (260, 658457), (523, 327340), (1046, 163670), (1259, 135980), (2092, 81835), (2518, 67990), (2615, 65468), (5036, 33995), (5230, 32734), (6295, 27196), (6799, 25180), (10460, 16367), (12590, 13598)]