77130140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 170009280

約数和(自身を除く): 92879140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 1873, 2059, 3746, 4118, 7492, 8236, 9365, 10295, 18730, 20590, 37460, 41180, 54317, 108634, 132983, 217268, 265966, 271585, 531932, 543170, 664915, 1086340, 1329830, 2659660, 3856507, 7713014, 15426028, 19282535, 38565070, 77130140]

約数ペア:

[(1, 77130140), (2, 38565070), (4, 19282535), (5, 15426028), (10, 7713014), (20, 3856507), (29, 2659660), (58, 1329830), (71, 1086340), (116, 664915), (142, 543170), (145, 531932), (284, 271585), (290, 265966), (355, 217268), (580, 132983), (710, 108634), (1420, 54317), (1873, 41180), (2059, 37460), (3746, 20590), (4118, 18730), (7492, 10295), (8236, 9365)]