200388040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 459477360

約数和(自身を除く): 259089320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 193, 202, 257, 386, 404, 505, 514, 772, 808, 965, 1010, 1028, 1285, 1544, 1930, 2020, 2056, 2570, 3860, 4040, 5140, 7720, 10280, 19493, 25957, 38986, 49601, 51914, 77972, 97465, 99202, 103828, 129785, 155944, 194930, 198404, 207656, 248005, 259570, 389860, 396808, 496010, 519140, 779720, 992020, 1038280, 1984040, 5009701, 10019402, 20038804, 25048505, 40077608, 50097010, 100194020, 200388040]

約数ペア:

[(1, 200388040), (2, 100194020), (4, 50097010), (5, 40077608), (8, 25048505), (10, 20038804), (20, 10019402), (40, 5009701), (101, 1984040), (193, 1038280), (202, 992020), (257, 779720), (386, 519140), (404, 496010), (505, 396808), (514, 389860), (772, 259570), (808, 248005), (965, 207656), (1010, 198404), (1028, 194930), (1285, 155944), (1544, 129785), (1930, 103828), (2020, 99202), (2056, 97465), (2570, 77972), (3860, 51914), (4040, 49601), (5140, 38986), (7720, 25957), (10280, 19493)]