27831937580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1619}}^1\times {\mathrm{2381}}^1$

素因数の和:4047

約数の個数: 72

約数和(自身を含む): 61749157680

約数和(自身を除く): 33917220100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1619, 1805, 2381, 3238, 3610, 4762, 6476, 7220, 8095, 9524, 11905, 16190, 23810, 30761, 32380, 45239, 47620, 61522, 90478, 123044, 153805, 180956, 226195, 307610, 452390, 584459, 615220, 859541, 904780, 1168918, 1719082, 2337836, 2922295, 3438164, 3854839, 4297705, 5844590, 7709678, 8595410, 11689180, 15419356, 17190820, 19274195, 38548390, 73241941, 77096780, 146483882, 292967764, 366209705, 732419410, 1391596879, 1464838820, 2783193758, 5566387516, 6957984395, 13915968790, 27831937580]

約数ペア:

[(1, 27831937580), (2, 13915968790), (4, 6957984395), (5, 5566387516), (10, 2783193758), (19, 1464838820), (20, 1391596879), (38, 732419410), (76, 366209705), (95, 292967764), (190, 146483882), (361, 77096780), (380, 73241941), (722, 38548390), (1444, 19274195), (1619, 17190820), (1805, 15419356), (2381, 11689180), (3238, 8595410), (3610, 7709678), (4762, 5844590), (6476, 4297705), (7220, 3854839), (8095, 3438164), (9524, 2922295), (11905, 2337836), (16190, 1719082), (23810, 1168918), (30761, 904780), (32380, 859541), (45239, 615220), (47620, 584459), (61522, 452390), (90478, 307610), (123044, 226195), (153805, 180956)]