29439440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^2\times {\mathrm{73}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 70375332

約数和(自身を除く): 40935892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 73, 80, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 1136, 1168, 1420, 1460, 2840, 2920, 5041, 5183, 5680, 5840, 10082, 10366, 20164, 20732, 25205, 25915, 40328, 41464, 50410, 51830, 80656, 82928, 100820, 103660, 201640, 207320, 367993, 403280, 414640, 735986, 1471972, 1839965, 2943944, 3679930, 5887888, 7359860, 14719720, 29439440]

約数ペア:

[(1, 29439440), (2, 14719720), (4, 7359860), (5, 5887888), (8, 3679930), (10, 2943944), (16, 1839965), (20, 1471972), (40, 735986), (71, 414640), (73, 403280), (80, 367993), (142, 207320), (146, 201640), (284, 103660), (292, 100820), (355, 82928), (365, 80656), (568, 51830), (584, 50410), (710, 41464), (730, 40328), (1136, 25915), (1168, 25205), (1420, 20732), (1460, 20164), (2840, 10366), (2920, 10082), (5041, 5840), (5183, 5680)]