119976460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 256838400

約数和(自身を除く): 136861940

約数列:

[1, 2, 4, 5, 10, 20, 103, 139, 206, 278, 412, 419, 515, 556, 695, 838, 1030, 1390, 1676, 2060, 2095, 2780, 4190, 8380, 14317, 28634, 43157, 57268, 58241, 71585, 86314, 116482, 143170, 172628, 215785, 232964, 286340, 291205, 431570, 582410, 863140, 1164820, 5998823, 11997646, 23995292, 29994115, 59988230, 119976460]

約数ペア:

[(1, 119976460), (2, 59988230), (4, 29994115), (5, 23995292), (10, 11997646), (20, 5998823), (103, 1164820), (139, 863140), (206, 582410), (278, 431570), (412, 291205), (419, 286340), (515, 232964), (556, 215785), (695, 172628), (838, 143170), (1030, 116482), (1390, 86314), (1676, 71585), (2060, 58241), (2095, 57268), (2780, 43157), (4190, 28634), (8380, 14317)]