129244900

素因数分解:

$2^2\times 5^2\times {\mathrm{541}}^1\times {\mathrm{2389}}^1$

素因数の和:2944

約数の個数: 36

約数和(自身を含む): 281097460

約数和(自身を除く): 151852560

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 541, 1082, 2164, 2389, 2705, 4778, 5410, 9556, 10820, 11945, 13525, 23890, 27050, 47780, 54100, 59725, 119450, 238900, 1292449, 2584898, 5169796, 6462245, 12924490, 25848980, 32311225, 64622450, 129244900]

約数ペア:

[(1, 129244900), (2, 64622450), (4, 32311225), (5, 25848980), (10, 12924490), (20, 6462245), (25, 5169796), (50, 2584898), (100, 1292449), (541, 238900), (1082, 119450), (2164, 59725), (2389, 54100), (2705, 47780), (4778, 27050), (5410, 23890), (9556, 13525), (10820, 11945)]