121840280

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{20443}}^1$

素因数の和:20603

約数の個数: 32

約数和(自身を含む): 275994000

約数和(自身を除く): 154153720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 20443, 40886, 81772, 102215, 163544, 204430, 408860, 817720, 3046007, 6092014, 12184028, 15230035, 24368056, 30460070, 60920140, 121840280]

約数ペア:

[(1, 121840280), (2, 60920140), (4, 30460070), (5, 24368056), (8, 15230035), (10, 12184028), (20, 6092014), (40, 3046007), (149, 817720), (298, 408860), (596, 204430), (745, 163544), (1192, 102215), (1490, 81772), (2980, 40886), (5960, 20443)]