28223220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2719}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 79511040

約数和(自身を除く): 51287820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 2076, 2595, 2719, 3460, 5190, 5438, 8157, 10380, 10876, 13595, 16314, 27190, 32628, 40785, 54380, 81570, 163140, 470387, 940774, 1411161, 1881548, 2351935, 2822322, 4703870, 5644644, 7055805, 9407740, 14111610, 28223220]

約数ペア:

[(1, 28223220), (2, 14111610), (3, 9407740), (4, 7055805), (5, 5644644), (6, 4703870), (10, 2822322), (12, 2351935), (15, 1881548), (20, 1411161), (30, 940774), (60, 470387), (173, 163140), (346, 81570), (519, 54380), (692, 40785), (865, 32628), (1038, 27190), (1730, 16314), (2076, 13595), (2595, 10876), (2719, 10380), (3460, 8157), (5190, 5438)]