2049271940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{1777}}^1$

素因数の和:1941

約数の個数: 72

約数和(自身を含む): 4542541080

約数和(自身を除く): 2493269140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 529, 545, 1058, 1090, 1777, 2116, 2180, 2507, 2645, 3554, 5014, 5290, 7108, 8885, 10028, 10580, 12535, 17770, 25070, 35540, 40871, 50140, 57661, 81742, 115322, 163484, 193693, 204355, 230644, 288305, 387386, 408710, 576610, 774772, 817420, 940033, 968465, 1153220, 1880066, 1936930, 3760132, 3873860, 4454939, 4700165, 8909878, 9400330, 17819756, 18800660, 22274695, 44549390, 89098780, 102463597, 204927194, 409854388, 512317985, 1024635970, 2049271940]

約数ペア:

[(1, 2049271940), (2, 1024635970), (4, 512317985), (5, 409854388), (10, 204927194), (20, 102463597), (23, 89098780), (46, 44549390), (92, 22274695), (109, 18800660), (115, 17819756), (218, 9400330), (230, 8909878), (436, 4700165), (460, 4454939), (529, 3873860), (545, 3760132), (1058, 1936930), (1090, 1880066), (1777, 1153220), (2116, 968465), (2180, 940033), (2507, 817420), (2645, 774772), (3554, 576610), (5014, 408710), (5290, 387386), (7108, 288305), (8885, 230644), (10028, 204355), (10580, 193693), (12535, 163484), (17770, 115322), (25070, 81742), (35540, 57661), (40871, 50140)]