30778460

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 66533376

約数和(自身を除く): 35754916

約数列:

[1, 2, 4, 5, 10, 20, 67, 103, 134, 206, 223, 268, 335, 412, 446, 515, 670, 892, 1030, 1115, 1340, 2060, 2230, 4460, 6901, 13802, 14941, 22969, 27604, 29882, 34505, 45938, 59764, 69010, 74705, 91876, 114845, 138020, 149410, 229690, 298820, 459380, 1538923, 3077846, 6155692, 7694615, 15389230, 30778460]

約数ペア:

[(1, 30778460), (2, 15389230), (4, 7694615), (5, 6155692), (10, 3077846), (20, 1538923), (67, 459380), (103, 298820), (134, 229690), (206, 149410), (223, 138020), (268, 114845), (335, 91876), (412, 74705), (446, 69010), (515, 59764), (670, 45938), (892, 34505), (1030, 29882), (1115, 27604), (1340, 22969), (2060, 14941), (2230, 13802), (4460, 6901)]