140710520

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{9431}}^1$

素因数の和:9815

約数の個数: 32

約数和(自身を含む): 317481120

約数和(自身を除く): 176770600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 7460, 9431, 14920, 18862, 37724, 47155, 75448, 94310, 188620, 377240, 3517763, 7035526, 14071052, 17588815, 28142104, 35177630, 70355260, 140710520]

約数ペア:

[(1, 140710520), (2, 70355260), (4, 35177630), (5, 28142104), (8, 17588815), (10, 14071052), (20, 7035526), (40, 3517763), (373, 377240), (746, 188620), (1492, 94310), (1865, 75448), (2984, 47155), (3730, 37724), (7460, 18862), (9431, 14920)]