298824880

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5651}}^1$

素因数の和:6325

約数の個数: 40

約数和(自身を含む): 695942064

約数和(自身を除く): 397117184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 2644, 3305, 5288, 5651, 6610, 10576, 11302, 13220, 22604, 26440, 28255, 45208, 52880, 56510, 90416, 113020, 226040, 452080, 3735311, 7470622, 14941244, 18676555, 29882488, 37353110, 59764976, 74706220, 149412440, 298824880]

約数ペア:

[(1, 298824880), (2, 149412440), (4, 74706220), (5, 59764976), (8, 37353110), (10, 29882488), (16, 18676555), (20, 14941244), (40, 7470622), (80, 3735311), (661, 452080), (1322, 226040), (2644, 113020), (3305, 90416), (5288, 56510), (5651, 52880), (6610, 45208), (10576, 28255), (11302, 26440), (13220, 22604)]