738691640

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{77269}}^1$

素因数の和:77519

約数の個数: 32

約数和(自身を含む): 1669032000

約数和(自身を除く): 930340360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 77269, 154538, 309076, 386345, 618152, 772690, 1545380, 3090760, 18467291, 36934582, 73869164, 92336455, 147738328, 184672910, 369345820, 738691640]

約数ペア:

[(1, 738691640), (2, 369345820), (4, 184672910), (5, 147738328), (8, 92336455), (10, 73869164), (20, 36934582), (40, 18467291), (239, 3090760), (478, 1545380), (956, 772690), (1195, 618152), (1912, 386345), (2390, 309076), (4780, 154538), (9560, 77269)]