1490362490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{18553}}^1$

素因数の和:18866

約数の個数: 32

約数和(自身を含む): 2785326480

約数和(自身を除く): 1294963990

約数列:

[1, 2, 5, 10, 29, 58, 145, 277, 290, 554, 1385, 2770, 8033, 16066, 18553, 37106, 40165, 80330, 92765, 185530, 538037, 1076074, 2690185, 5139181, 5380370, 10278362, 25695905, 51391810, 149036249, 298072498, 745181245, 1490362490]

約数ペア:

[(1, 1490362490), (2, 745181245), (5, 298072498), (10, 149036249), (29, 51391810), (58, 25695905), (145, 10278362), (277, 5380370), (290, 5139181), (554, 2690185), (1385, 1076074), (2770, 538037), (8033, 185530), (16066, 92765), (18553, 80330), (37106, 40165)]