320414875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1171}}^1$

素因数の和:1396

約数の個数: 32

約数和(自身を含む): 438796800

約数和(自身を除く): 118381925

約数列:

[1, 5, 11, 25, 55, 125, 199, 275, 995, 1171, 1375, 2189, 4975, 5855, 10945, 12881, 24875, 29275, 54725, 64405, 146375, 233029, 273625, 322025, 1165145, 1610125, 2563319, 5825725, 12816595, 29128625, 64082975, 320414875]

約数ペア:

[(1, 320414875), (5, 64082975), (11, 29128625), (25, 12816595), (55, 5825725), (125, 2563319), (199, 1610125), (275, 1165145), (995, 322025), (1171, 273625), (1375, 233029), (2189, 146375), (4975, 64405), (5855, 54725), (10945, 29275), (12881, 24875)]