61311100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 148801240

約数和(自身を除く): 87490140

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 38, 46, 50, 61, 76, 92, 95, 100, 115, 122, 190, 230, 244, 305, 380, 437, 460, 475, 529, 575, 610, 874, 950, 1058, 1150, 1159, 1220, 1403, 1525, 1748, 1900, 2116, 2185, 2300, 2318, 2645, 2806, 3050, 4370, 4636, 5290, 5612, 5795, 6100, 7015, 8740, 10051, 10580, 10925, 11590, 13225, 14030, 20102, 21850, 23180, 26450, 26657, 28060, 28975, 32269, 35075, 40204, 43700, 50255, 52900, 53314, 57950, 64538, 70150, 100510, 106628, 115900, 129076, 133285, 140300, 161345, 201020, 251275, 266570, 322690, 502550, 533140, 613111, 645380, 666425, 806725, 1005100, 1226222, 1332850, 1613450, 2452444, 2665700, 3065555, 3226900, 6131110, 12262220, 15327775, 30655550, 61311100]

約数ペア:

[(1, 61311100), (2, 30655550), (4, 15327775), (5, 12262220), (10, 6131110), (19, 3226900), (20, 3065555), (23, 2665700), (25, 2452444), (38, 1613450), (46, 1332850), (50, 1226222), (61, 1005100), (76, 806725), (92, 666425), (95, 645380), (100, 613111), (115, 533140), (122, 502550), (190, 322690), (230, 266570), (244, 251275), (305, 201020), (380, 161345), (437, 140300), (460, 133285), (475, 129076), (529, 115900), (575, 106628), (610, 100510), (874, 70150), (950, 64538), (1058, 57950), (1150, 53314), (1159, 52900), (1220, 50255), (1403, 43700), (1525, 40204), (1748, 35075), (1900, 32269), (2116, 28975), (2185, 28060), (2300, 26657), (2318, 26450), (2645, 23180), (2806, 21850), (3050, 20102), (4370, 14030), (4636, 13225), (5290, 11590), (5612, 10925), (5795, 10580), (6100, 10051), (7015, 8740)]