4138390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 8190720

約数和(自身を除く): 4052330

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 947, 1894, 2185, 4370, 4735, 9470, 17993, 21781, 35986, 43562, 89965, 108905, 179930, 217810, 413839, 827678, 2069195, 4138390]

約数ペア:

[(1, 4138390), (2, 2069195), (5, 827678), (10, 413839), (19, 217810), (23, 179930), (38, 108905), (46, 89965), (95, 43562), (115, 35986), (190, 21781), (230, 17993), (437, 9470), (874, 4735), (947, 4370), (1894, 2185)]