139640728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{677}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 292896000

約数和(自身を除く): 153255272

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 59, 76, 92, 118, 152, 184, 236, 437, 472, 677, 874, 1121, 1354, 1357, 1748, 2242, 2708, 2714, 3496, 4484, 5416, 5428, 8968, 10856, 12863, 15571, 25726, 25783, 31142, 39943, 51452, 51566, 62284, 79886, 102904, 103132, 124568, 159772, 206264, 295849, 319544, 591698, 758917, 918689, 1183396, 1517834, 1837378, 2366792, 3035668, 3674756, 6071336, 7349512, 17455091, 34910182, 69820364, 139640728]

約数ペア:

[(1, 139640728), (2, 69820364), (4, 34910182), (8, 17455091), (19, 7349512), (23, 6071336), (38, 3674756), (46, 3035668), (59, 2366792), (76, 1837378), (92, 1517834), (118, 1183396), (152, 918689), (184, 758917), (236, 591698), (437, 319544), (472, 295849), (677, 206264), (874, 159772), (1121, 124568), (1354, 103132), (1357, 102904), (1748, 79886), (2242, 62284), (2708, 51566), (2714, 51452), (3496, 39943), (4484, 31142), (5416, 25783), (5428, 25726), (8968, 15571), (10856, 12863)]