90345380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10337}}^1$

素因数の和:10388

約数の個数: 48

約数和(自身を含む): 208414080

約数和(自身を除く): 118068700

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 10337, 20674, 41348, 51685, 103370, 196403, 206740, 237751, 392806, 475502, 785612, 951004, 982015, 1188755, 1964030, 2377510, 3928060, 4517269, 4755020, 9034538, 18069076, 22586345, 45172690, 90345380]

約数ペア:

[(1, 90345380), (2, 45172690), (4, 22586345), (5, 18069076), (10, 9034538), (19, 4755020), (20, 4517269), (23, 3928060), (38, 2377510), (46, 1964030), (76, 1188755), (92, 982015), (95, 951004), (115, 785612), (190, 475502), (230, 392806), (380, 237751), (437, 206740), (460, 196403), (874, 103370), (1748, 51685), (2185, 41348), (4370, 20674), (8740, 10337)]