189828170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 399015936

約数和(自身を除く): 209187766

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 131, 163, 254, 262, 326, 635, 655, 815, 889, 917, 1141, 1270, 1310, 1630, 1778, 1834, 2282, 4445, 4585, 5705, 8890, 9170, 11410, 16637, 20701, 21353, 33274, 41402, 42706, 83185, 103505, 106765, 116459, 144907, 149471, 166370, 207010, 213530, 232918, 289814, 298942, 582295, 724535, 747355, 1164590, 1449070, 1494710, 2711831, 5423662, 13559155, 18982817, 27118310, 37965634, 94914085, 189828170]

約数ペア:

[(1, 189828170), (2, 94914085), (5, 37965634), (7, 27118310), (10, 18982817), (14, 13559155), (35, 5423662), (70, 2711831), (127, 1494710), (131, 1449070), (163, 1164590), (254, 747355), (262, 724535), (326, 582295), (635, 298942), (655, 289814), (815, 232918), (889, 213530), (917, 207010), (1141, 166370), (1270, 149471), (1310, 144907), (1630, 116459), (1778, 106765), (1834, 103505), (2282, 83185), (4445, 42706), (4585, 41402), (5705, 33274), (8890, 21353), (9170, 20701), (11410, 16637)]