78727460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19391}}^1$

素因数の和:19436

約数の個数: 48

約数和(自身を含む): 195471360

約数和(自身を除く): 116743900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 19391, 38782, 77564, 96955, 135737, 193910, 271474, 387820, 542948, 562339, 678685, 1124678, 1357370, 2249356, 2714740, 2811695, 3936373, 5623390, 7872746, 11246780, 15745492, 19681865, 39363730, 78727460]

約数ペア:

[(1, 78727460), (2, 39363730), (4, 19681865), (5, 15745492), (7, 11246780), (10, 7872746), (14, 5623390), (20, 3936373), (28, 2811695), (29, 2714740), (35, 2249356), (58, 1357370), (70, 1124678), (116, 678685), (140, 562339), (145, 542948), (203, 387820), (290, 271474), (406, 193910), (580, 135737), (812, 96955), (1015, 77564), (2030, 38782), (4060, 19391)]