168368540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{138007}}^1$

素因数の和:138077

約数の個数: 24

約数和(自身を含む): 359372832

約数和(自身を除く): 191004292

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 138007, 276014, 552028, 690035, 1380070, 2760140, 8418427, 16836854, 33673708, 42092135, 84184270, 168368540]

約数ペア:

[(1, 168368540), (2, 84184270), (4, 42092135), (5, 33673708), (10, 16836854), (20, 8418427), (61, 2760140), (122, 1380070), (244, 690035), (305, 552028), (610, 276014), (1220, 138007)]