8708771980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{12613}}^1$

素因数の和:12743

約数の個数: 96

約数和(自身を含む): 20343859200

約数和(自身を除く): 11635087220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 79, 92, 95, 115, 158, 190, 230, 316, 380, 395, 437, 460, 790, 874, 1501, 1580, 1748, 1817, 2185, 3002, 3634, 4370, 6004, 7268, 7505, 8740, 9085, 12613, 15010, 18170, 25226, 30020, 34523, 36340, 50452, 63065, 69046, 126130, 138092, 172615, 239647, 252260, 290099, 345230, 479294, 580198, 690460, 958588, 996427, 1160396, 1198235, 1450495, 1992854, 2396470, 2900990, 3985708, 4792940, 4982135, 5511881, 5801980, 9964270, 11023762, 18932113, 19928540, 22047524, 22917821, 27559405, 37864226, 45835642, 55118810, 75728452, 91671284, 94660565, 110237620, 114589105, 189321130, 229178210, 378642260, 435438599, 458356420, 870877198, 1741754396, 2177192995, 4354385990, 8708771980]

約数ペア:

[(1, 8708771980), (2, 4354385990), (4, 2177192995), (5, 1741754396), (10, 870877198), (19, 458356420), (20, 435438599), (23, 378642260), (38, 229178210), (46, 189321130), (76, 114589105), (79, 110237620), (92, 94660565), (95, 91671284), (115, 75728452), (158, 55118810), (190, 45835642), (230, 37864226), (316, 27559405), (380, 22917821), (395, 22047524), (437, 19928540), (460, 18932113), (790, 11023762), (874, 9964270), (1501, 5801980), (1580, 5511881), (1748, 4982135), (1817, 4792940), (2185, 3985708), (3002, 2900990), (3634, 2396470), (4370, 1992854), (6004, 1450495), (7268, 1198235), (7505, 1160396), (8740, 996427), (9085, 958588), (12613, 690460), (15010, 580198), (18170, 479294), (25226, 345230), (30020, 290099), (34523, 252260), (36340, 239647), (50452, 172615), (63065, 138092), (69046, 126130)]