731661520

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{61381}}^1$

素因数の和:61543

約数の個数: 40

約数和(自身を含む): 1712557800

約数和(自身を除く): 980896280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 61381, 122762, 245524, 306905, 491048, 613810, 982096, 1227620, 2455240, 4910480, 9145769, 18291538, 36583076, 45728845, 73166152, 91457690, 146332304, 182915380, 365830760, 731661520]

約数ペア:

[(1, 731661520), (2, 365830760), (4, 182915380), (5, 146332304), (8, 91457690), (10, 73166152), (16, 45728845), (20, 36583076), (40, 18291538), (80, 9145769), (149, 4910480), (298, 2455240), (596, 1227620), (745, 982096), (1192, 613810), (1490, 491048), (2384, 306905), (2980, 245524), (5960, 122762), (11920, 61381)]