7438880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2447}}^1$

素因数の和:2481

約数の個数: 48

約数和(自身を含む): 18506880

約数和(自身を除く): 11068000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 2447, 3040, 4894, 9788, 12235, 19576, 24470, 39152, 46493, 48940, 78304, 92986, 97880, 185972, 195760, 232465, 371944, 391520, 464930, 743888, 929860, 1487776, 1859720, 3719440, 7438880]

約数ペア:

[(1, 7438880), (2, 3719440), (4, 1859720), (5, 1487776), (8, 929860), (10, 743888), (16, 464930), (19, 391520), (20, 371944), (32, 232465), (38, 195760), (40, 185972), (76, 97880), (80, 92986), (95, 78304), (152, 48940), (160, 46493), (190, 39152), (304, 24470), (380, 19576), (608, 12235), (760, 9788), (1520, 4894), (2447, 3040)]