149720000

素因数分解:

$2^6\times 5^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:248

約数の個数: 140

約数和(自身を含む): 392780520

約数和(自身を除く): 243060520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 152, 160, 190, 197, 200, 250, 304, 320, 380, 394, 400, 475, 500, 608, 625, 760, 788, 800, 950, 985, 1000, 1216, 1250, 1520, 1576, 1600, 1900, 1970, 2000, 2375, 2500, 3040, 3152, 3743, 3800, 3940, 4000, 4750, 4925, 5000, 6080, 6304, 7486, 7600, 7880, 8000, 9500, 9850, 10000, 11875, 12608, 14972, 15200, 15760, 18715, 19000, 19700, 20000, 23750, 24625, 29944, 30400, 31520, 37430, 38000, 39400, 40000, 47500, 49250, 59888, 63040, 74860, 76000, 78800, 93575, 95000, 98500, 119776, 123125, 149720, 152000, 157600, 187150, 190000, 197000, 239552, 246250, 299440, 315200, 374300, 380000, 394000, 467875, 492500, 598880, 748600, 760000, 788000, 935750, 985000, 1197760, 1497200, 1576000, 1871500, 1970000, 2339375, 2994400, 3743000, 3940000, 4678750, 5988800, 7486000, 7880000, 9357500, 14972000, 18715000, 29944000, 37430000, 74860000, 149720000]

約数ペア:

[(1, 149720000), (2, 74860000), (4, 37430000), (5, 29944000), (8, 18715000), (10, 14972000), (16, 9357500), (19, 7880000), (20, 7486000), (25, 5988800), (32, 4678750), (38, 3940000), (40, 3743000), (50, 2994400), (64, 2339375), (76, 1970000), (80, 1871500), (95, 1576000), (100, 1497200), (125, 1197760), (152, 985000), (160, 935750), (190, 788000), (197, 760000), (200, 748600), (250, 598880), (304, 492500), (320, 467875), (380, 394000), (394, 380000), (400, 374300), (475, 315200), (500, 299440), (608, 246250), (625, 239552), (760, 197000), (788, 190000), (800, 187150), (950, 157600), (985, 152000), (1000, 149720), (1216, 123125), (1250, 119776), (1520, 98500), (1576, 95000), (1600, 93575), (1900, 78800), (1970, 76000), (2000, 74860), (2375, 63040), (2500, 59888), (3040, 49250), (3152, 47500), (3743, 40000), (3800, 39400), (3940, 38000), (4000, 37430), (4750, 31520), (4925, 30400), (5000, 29944), (6080, 24625), (6304, 23750), (7486, 20000), (7600, 19700), (7880, 19000), (8000, 18715), (9500, 15760), (9850, 15200), (10000, 14972), (11875, 12608)]