2090059780

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{331}}^1\times {\mathrm{1321}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 4424152320

約数和(自身を除く): 2334092540

約数列:

[1, 2, 4, 5, 10, 20, 239, 331, 478, 662, 956, 1195, 1321, 1324, 1655, 2390, 2642, 3310, 4780, 5284, 6605, 6620, 13210, 26420, 79109, 158218, 315719, 316436, 395545, 437251, 631438, 791090, 874502, 1262876, 1578595, 1582180, 1749004, 2186255, 3157190, 4372510, 6314380, 8745020, 104502989, 209005978, 418011956, 522514945, 1045029890, 2090059780]

約数ペア:

[(1, 2090059780), (2, 1045029890), (4, 522514945), (5, 418011956), (10, 209005978), (20, 104502989), (239, 8745020), (331, 6314380), (478, 4372510), (662, 3157190), (956, 2186255), (1195, 1749004), (1321, 1582180), (1324, 1578595), (1655, 1262876), (2390, 874502), (2642, 791090), (3310, 631438), (4780, 437251), (5284, 395545), (6605, 316436), (6620, 315719), (13210, 158218), (26420, 79109)]