15917156900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{1907}}^1$

素因数の和:2154

約数の個数: 144

約数和(自身を含む): 38157557760

約数和(自身を除く): 22240400860

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 76, 92, 95, 100, 115, 190, 191, 230, 380, 382, 437, 460, 475, 575, 764, 874, 950, 955, 1150, 1748, 1900, 1907, 1910, 2185, 2300, 3629, 3814, 3820, 4370, 4393, 4775, 7258, 7628, 8740, 8786, 9535, 9550, 10925, 14516, 17572, 18145, 19070, 19100, 21850, 21965, 36233, 36290, 38140, 43700, 43861, 43930, 47675, 72466, 72580, 83467, 87722, 87860, 90725, 95350, 109825, 144932, 166934, 175444, 181165, 181450, 190700, 219305, 219650, 333868, 362330, 362900, 364237, 417335, 438610, 439300, 724660, 728474, 833359, 834670, 877220, 905825, 1096525, 1456948, 1666718, 1669340, 1811650, 1821185, 2086675, 2193050, 3333436, 3623300, 3642370, 4166795, 4173350, 4386100, 6920503, 7284740, 8333590, 8346700, 8377451, 9105925, 13841006, 16667180, 16754902, 18211850, 20833975, 27682012, 33509804, 34602515, 36423700, 41667950, 41887255, 69205030, 83335900, 83774510, 138410060, 159171569, 167549020, 173012575, 209436275, 318343138, 346025150, 418872550, 636686276, 692050300, 795857845, 837745100, 1591715690, 3183431380, 3979289225, 7958578450, 15917156900]

約数ペア:

[(1, 15917156900), (2, 7958578450), (4, 3979289225), (5, 3183431380), (10, 1591715690), (19, 837745100), (20, 795857845), (23, 692050300), (25, 636686276), (38, 418872550), (46, 346025150), (50, 318343138), (76, 209436275), (92, 173012575), (95, 167549020), (100, 159171569), (115, 138410060), (190, 83774510), (191, 83335900), (230, 69205030), (380, 41887255), (382, 41667950), (437, 36423700), (460, 34602515), (475, 33509804), (575, 27682012), (764, 20833975), (874, 18211850), (950, 16754902), (955, 16667180), (1150, 13841006), (1748, 9105925), (1900, 8377451), (1907, 8346700), (1910, 8333590), (2185, 7284740), (2300, 6920503), (3629, 4386100), (3814, 4173350), (3820, 4166795), (4370, 3642370), (4393, 3623300), (4775, 3333436), (7258, 2193050), (7628, 2086675), (8740, 1821185), (8786, 1811650), (9535, 1669340), (9550, 1666718), (10925, 1456948), (14516, 1096525), (17572, 905825), (18145, 877220), (19070, 834670), (19100, 833359), (21850, 728474), (21965, 724660), (36233, 439300), (36290, 438610), (38140, 417335), (43700, 364237), (43861, 362900), (43930, 362330), (47675, 333868), (72466, 219650), (72580, 219305), (83467, 190700), (87722, 181450), (87860, 181165), (90725, 175444), (95350, 166934), (109825, 144932)]