121398440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{22153}}^1$

素因数の和:22301

約数の個数: 32

約数和(自身を含む): 275152680

約数和(自身を除く): 153754240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 22153, 44306, 88612, 110765, 177224, 221530, 443060, 886120, 3034961, 6069922, 12139844, 15174805, 24279688, 30349610, 60699220, 121398440]

約数ペア:

[(1, 121398440), (2, 60699220), (4, 30349610), (5, 24279688), (8, 15174805), (10, 12139844), (20, 6069922), (40, 3034961), (137, 886120), (274, 443060), (548, 221530), (685, 177224), (1096, 110765), (1370, 88612), (2740, 44306), (5480, 22153)]