392920970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97499}}^1$

素因数の和:97550

約数の個数: 32

約数和(自身を含む): 786240000

約数和(自身を除く): 393319030

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 97499, 194998, 487495, 974990, 1267487, 2534974, 3022469, 6044938, 6337435, 12674870, 15112345, 30224690, 39292097, 78584194, 196460485, 392920970]

約数ペア:

[(1, 392920970), (2, 196460485), (5, 78584194), (10, 39292097), (13, 30224690), (26, 15112345), (31, 12674870), (62, 6337435), (65, 6044938), (130, 3022469), (155, 2534974), (310, 1267487), (403, 974990), (806, 487495), (2015, 194998), (4030, 97499)]