28109220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20369}}^1$

素因数の和:20404

約数の個数: 48

約数和(自身を含む): 82131840

約数和(自身を除く): 54022620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20369, 40738, 61107, 81476, 101845, 122214, 203690, 244428, 305535, 407380, 468487, 611070, 936974, 1222140, 1405461, 1873948, 2342435, 2810922, 4684870, 5621844, 7027305, 9369740, 14054610, 28109220]

約数ペア:

[(1, 28109220), (2, 14054610), (3, 9369740), (4, 7027305), (5, 5621844), (6, 4684870), (10, 2810922), (12, 2342435), (15, 1873948), (20, 1405461), (23, 1222140), (30, 936974), (46, 611070), (60, 468487), (69, 407380), (92, 305535), (115, 244428), (138, 203690), (230, 122214), (276, 101845), (345, 81476), (460, 61107), (690, 40738), (1380, 20369)]