291214610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{2399}}^1$

素因数の和:2666

約数の個数: 32

約数和(自身を含む): 535680000

約数和(自身を除く): 244465390

約数列:

[1, 2, 5, 10, 61, 122, 199, 305, 398, 610, 995, 1990, 2399, 4798, 11995, 12139, 23990, 24278, 60695, 121390, 146339, 292678, 477401, 731695, 954802, 1463390, 2387005, 4774010, 29121461, 58242922, 145607305, 291214610]

約数ペア:

[(1, 291214610), (2, 145607305), (5, 58242922), (10, 29121461), (61, 4774010), (122, 2387005), (199, 1463390), (305, 954802), (398, 731695), (610, 477401), (995, 292678), (1990, 146339), (2399, 121390), (4798, 60695), (11995, 24278), (12139, 23990)]