154484920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{20011}}^1$

素因数の和:20215

約数の個数: 32

約数和(自身を含む): 349409520

約数和(自身を除く): 194924600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 20011, 40022, 80044, 100055, 160088, 200110, 400220, 800440, 3862123, 7724246, 15448492, 19310615, 30896984, 38621230, 77242460, 154484920]

約数ペア:

[(1, 154484920), (2, 77242460), (4, 38621230), (5, 30896984), (8, 19310615), (10, 15448492), (20, 7724246), (40, 3862123), (193, 800440), (386, 400220), (772, 200110), (965, 160088), (1544, 100055), (1930, 80044), (3860, 40022), (7720, 20011)]