38890490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 72230400

約数和(自身を除く): 33339910

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 298, 430, 607, 745, 1214, 1490, 3035, 6070, 6407, 12814, 26101, 32035, 52202, 64070, 90443, 130505, 180886, 261010, 452215, 904430, 3889049, 7778098, 19445245, 38890490]

約数ペア:

[(1, 38890490), (2, 19445245), (5, 7778098), (10, 3889049), (43, 904430), (86, 452215), (149, 261010), (215, 180886), (298, 130505), (430, 90443), (607, 64070), (745, 52202), (1214, 32035), (1490, 26101), (3035, 12814), (6070, 6407)]