28861280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 79216704

約数和(自身を除く): 50355424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 353, 365, 511, 560, 584, 706, 730, 1022, 1120, 1168, 1412, 1460, 1765, 2044, 2336, 2471, 2555, 2824, 2920, 3530, 4088, 4942, 5110, 5648, 5840, 7060, 8176, 9884, 10220, 11296, 11680, 12355, 14120, 16352, 19768, 20440, 24710, 25769, 28240, 39536, 40880, 49420, 51538, 56480, 79072, 81760, 98840, 103076, 128845, 180383, 197680, 206152, 257690, 360766, 395360, 412304, 515380, 721532, 824608, 901915, 1030760, 1443064, 1803830, 2061520, 2886128, 3607660, 4123040, 5772256, 7215320, 14430640, 28861280]

約数ペア:

[(1, 28861280), (2, 14430640), (4, 7215320), (5, 5772256), (7, 4123040), (8, 3607660), (10, 2886128), (14, 2061520), (16, 1803830), (20, 1443064), (28, 1030760), (32, 901915), (35, 824608), (40, 721532), (56, 515380), (70, 412304), (73, 395360), (80, 360766), (112, 257690), (140, 206152), (146, 197680), (160, 180383), (224, 128845), (280, 103076), (292, 98840), (353, 81760), (365, 79072), (511, 56480), (560, 51538), (584, 49420), (706, 40880), (730, 39536), (1022, 28240), (1120, 25769), (1168, 24710), (1412, 20440), (1460, 19768), (1765, 16352), (2044, 14120), (2336, 12355), (2471, 11680), (2555, 11296), (2824, 10220), (2920, 9884), (3530, 8176), (4088, 7060), (4942, 5840), (5110, 5648)]