78338540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{559561}}^1$

素因数の和:559577

約数の個数: 24

約数和(自身を含む): 188012832

約数和(自身を除く): 109674292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 559561, 1119122, 2238244, 2797805, 3916927, 5595610, 7833854, 11191220, 15667708, 19584635, 39169270, 78338540]

約数ペア:

[(1, 78338540), (2, 39169270), (4, 19584635), (5, 15667708), (7, 11191220), (10, 7833854), (14, 5595610), (20, 3916927), (28, 2797805), (35, 2238244), (70, 1119122), (140, 559561)]