7486000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 19150560

約数和(自身を除く): 11664560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 125, 152, 190, 197, 200, 250, 304, 380, 394, 400, 475, 500, 760, 788, 950, 985, 1000, 1520, 1576, 1900, 1970, 2000, 2375, 3152, 3743, 3800, 3940, 4750, 4925, 7486, 7600, 7880, 9500, 9850, 14972, 15760, 18715, 19000, 19700, 24625, 29944, 37430, 38000, 39400, 49250, 59888, 74860, 78800, 93575, 98500, 149720, 187150, 197000, 299440, 374300, 394000, 467875, 748600, 935750, 1497200, 1871500, 3743000, 7486000]

約数ペア:

[(1, 7486000), (2, 3743000), (4, 1871500), (5, 1497200), (8, 935750), (10, 748600), (16, 467875), (19, 394000), (20, 374300), (25, 299440), (38, 197000), (40, 187150), (50, 149720), (76, 98500), (80, 93575), (95, 78800), (100, 74860), (125, 59888), (152, 49250), (190, 39400), (197, 38000), (200, 37430), (250, 29944), (304, 24625), (380, 19700), (394, 19000), (400, 18715), (475, 15760), (500, 14972), (760, 9850), (788, 9500), (950, 7880), (985, 7600), (1000, 7486), (1520, 4925), (1576, 4750), (1900, 3940), (1970, 3800), (2000, 3743), (2375, 3152)]