3838000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 9865440

約数和(自身を除く): 6027440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 101, 125, 152, 190, 200, 202, 250, 304, 380, 400, 404, 475, 500, 505, 760, 808, 950, 1000, 1010, 1520, 1616, 1900, 1919, 2000, 2020, 2375, 2525, 3800, 3838, 4040, 4750, 5050, 7600, 7676, 8080, 9500, 9595, 10100, 12625, 15352, 19000, 19190, 20200, 25250, 30704, 38000, 38380, 40400, 47975, 50500, 76760, 95950, 101000, 153520, 191900, 202000, 239875, 383800, 479750, 767600, 959500, 1919000, 3838000]

約数ペア:

[(1, 3838000), (2, 1919000), (4, 959500), (5, 767600), (8, 479750), (10, 383800), (16, 239875), (19, 202000), (20, 191900), (25, 153520), (38, 101000), (40, 95950), (50, 76760), (76, 50500), (80, 47975), (95, 40400), (100, 38380), (101, 38000), (125, 30704), (152, 25250), (190, 20200), (200, 19190), (202, 19000), (250, 15352), (304, 12625), (380, 10100), (400, 9595), (404, 9500), (475, 8080), (500, 7676), (505, 7600), (760, 5050), (808, 4750), (950, 4040), (1000, 3838), (1010, 3800), (1520, 2525), (1616, 2375), (1900, 2020), (1919, 2000)]