138430000

素因数分解:

$2^4\times 5^4\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 100

約数和(自身を含む): 340890880

約数和(自身を除く): 202460880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 125, 127, 200, 218, 250, 254, 400, 436, 500, 508, 545, 625, 635, 872, 1000, 1016, 1090, 1250, 1270, 1744, 2000, 2032, 2180, 2500, 2540, 2725, 3175, 4360, 5000, 5080, 5450, 6350, 8720, 10000, 10160, 10900, 12700, 13625, 13843, 15875, 21800, 25400, 27250, 27686, 31750, 43600, 50800, 54500, 55372, 63500, 68125, 69215, 79375, 109000, 110744, 127000, 136250, 138430, 158750, 218000, 221488, 254000, 272500, 276860, 317500, 346075, 545000, 553720, 635000, 692150, 1090000, 1107440, 1270000, 1384300, 1730375, 2768600, 3460750, 5537200, 6921500, 8651875, 13843000, 17303750, 27686000, 34607500, 69215000, 138430000]

約数ペア:

[(1, 138430000), (2, 69215000), (4, 34607500), (5, 27686000), (8, 17303750), (10, 13843000), (16, 8651875), (20, 6921500), (25, 5537200), (40, 3460750), (50, 2768600), (80, 1730375), (100, 1384300), (109, 1270000), (125, 1107440), (127, 1090000), (200, 692150), (218, 635000), (250, 553720), (254, 545000), (400, 346075), (436, 317500), (500, 276860), (508, 272500), (545, 254000), (625, 221488), (635, 218000), (872, 158750), (1000, 138430), (1016, 136250), (1090, 127000), (1250, 110744), (1270, 109000), (1744, 79375), (2000, 69215), (2032, 68125), (2180, 63500), (2500, 55372), (2540, 54500), (2725, 50800), (3175, 43600), (4360, 31750), (5000, 27686), (5080, 27250), (5450, 25400), (6350, 21800), (8720, 15875), (10000, 13843), (10160, 13625), (10900, 12700)]