1348865380

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{137359}}^1$

素因数の和:137859

約数の個数: 24

約数和(自身を含む): 2838407040

約数和(自身を除く): 1489541660

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 137359, 274718, 549436, 686795, 1373590, 2747180, 67443269, 134886538, 269773076, 337216345, 674432690, 1348865380]

約数ペア:

[(1, 1348865380), (2, 674432690), (4, 337216345), (5, 269773076), (10, 134886538), (20, 67443269), (491, 2747180), (982, 1373590), (1964, 686795), (2455, 549436), (4910, 274718), (9820, 137359)]