142715540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2909}}^1$

素因数の和:3152

約数の個数: 48

約数和(自身を含む): 328527360

約数和(自身を除く): 185811820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 892, 1115, 2230, 2453, 2909, 4460, 4906, 5818, 9812, 11636, 12265, 14545, 24530, 29090, 31999, 49060, 58180, 63998, 127996, 159995, 319990, 639980, 648707, 1297414, 2594828, 3243535, 6487070, 7135777, 12974140, 14271554, 28543108, 35678885, 71357770, 142715540]

約数ペア:

[(1, 142715540), (2, 71357770), (4, 35678885), (5, 28543108), (10, 14271554), (11, 12974140), (20, 7135777), (22, 6487070), (44, 3243535), (55, 2594828), (110, 1297414), (220, 648707), (223, 639980), (446, 319990), (892, 159995), (1115, 127996), (2230, 63998), (2453, 58180), (2909, 49060), (4460, 31999), (4906, 29090), (5818, 24530), (9812, 14545), (11636, 12265)]