290795180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{38567}}^1$

素因数の和:38618

約数の個数: 48

約数和(自身を含む): 680339520

約数和(自身を除く): 389544340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 38567, 77134, 154268, 192835, 385670, 501371, 771340, 1002742, 1118443, 2005484, 2236886, 2506855, 4473772, 5013710, 5592215, 10027420, 11184430, 14539759, 22368860, 29079518, 58159036, 72698795, 145397590, 290795180]

約数ペア:

[(1, 290795180), (2, 145397590), (4, 72698795), (5, 58159036), (10, 29079518), (13, 22368860), (20, 14539759), (26, 11184430), (29, 10027420), (52, 5592215), (58, 5013710), (65, 4473772), (116, 2506855), (130, 2236886), (145, 2005484), (260, 1118443), (290, 1002742), (377, 771340), (580, 501371), (754, 385670), (1508, 192835), (1885, 154268), (3770, 77134), (7540, 38567)]