203357320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{863}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 472158720

約数和(自身を除く): 268801400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 344, 430, 548, 685, 860, 863, 1096, 1370, 1720, 1726, 2740, 3452, 4315, 5480, 5891, 6904, 8630, 11782, 17260, 23564, 29455, 34520, 37109, 47128, 58910, 74218, 117820, 118231, 148436, 185545, 235640, 236462, 296872, 371090, 472924, 591155, 742180, 945848, 1182310, 1484360, 2364620, 4729240, 5083933, 10167866, 20335732, 25419665, 40671464, 50839330, 101678660, 203357320]

約数ペア:

[(1, 203357320), (2, 101678660), (4, 50839330), (5, 40671464), (8, 25419665), (10, 20335732), (20, 10167866), (40, 5083933), (43, 4729240), (86, 2364620), (137, 1484360), (172, 1182310), (215, 945848), (274, 742180), (344, 591155), (430, 472924), (548, 371090), (685, 296872), (860, 236462), (863, 235640), (1096, 185545), (1370, 148436), (1720, 118231), (1726, 117820), (2740, 74218), (3452, 58910), (4315, 47128), (5480, 37109), (5891, 34520), (6904, 29455), (8630, 23564), (11782, 17260)]