1494397780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{4909}}^1$

素因数の和:5440

約数の個数: 48

約数和(自身を含む): 3246727680

約数和(自身を除く): 1752329900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 491, 620, 982, 1964, 2455, 4909, 4910, 9818, 9820, 15221, 19636, 24545, 30442, 49090, 60884, 76105, 98180, 152179, 152210, 304358, 304420, 608716, 760895, 1521790, 2410319, 3043580, 4820638, 9641276, 12051595, 24103190, 48206380, 74719889, 149439778, 298879556, 373599445, 747198890, 1494397780]

約数ペア:

[(1, 1494397780), (2, 747198890), (4, 373599445), (5, 298879556), (10, 149439778), (20, 74719889), (31, 48206380), (62, 24103190), (124, 12051595), (155, 9641276), (310, 4820638), (491, 3043580), (620, 2410319), (982, 1521790), (1964, 760895), (2455, 608716), (4909, 304420), (4910, 304358), (9818, 152210), (9820, 152179), (15221, 98180), (19636, 76105), (24545, 60884), (30442, 49090)]