78865390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18047}}^1$

素因数の和:18096

約数の個数: 32

約数和(自身を含む): 155934720

約数和(自身を除く): 77069330

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 18047, 36094, 90235, 180470, 342893, 415081, 685786, 830162, 1714465, 2075405, 3428930, 4150810, 7886539, 15773078, 39432695, 78865390]

約数ペア:

[(1, 78865390), (2, 39432695), (5, 15773078), (10, 7886539), (19, 4150810), (23, 3428930), (38, 2075405), (46, 1714465), (95, 830162), (115, 685786), (190, 415081), (230, 342893), (437, 180470), (874, 90235), (2185, 36094), (4370, 18047)]