247029280

素因数分解:

$2^5\times 5^1\times {\mathrm{397}}^1\times {\mathrm{3889}}^1$

素因数の和:4301

約数の個数: 48

約数和(自身を含む): 585227160

約数和(自身を除く): 338197880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 397, 794, 1588, 1985, 3176, 3889, 3970, 6352, 7778, 7940, 12704, 15556, 15880, 19445, 31112, 31760, 38890, 62224, 63520, 77780, 124448, 155560, 311120, 622240, 1543933, 3087866, 6175732, 7719665, 12351464, 15439330, 24702928, 30878660, 49405856, 61757320, 123514640, 247029280]

約数ペア:

[(1, 247029280), (2, 123514640), (4, 61757320), (5, 49405856), (8, 30878660), (10, 24702928), (16, 15439330), (20, 12351464), (32, 7719665), (40, 6175732), (80, 3087866), (160, 1543933), (397, 622240), (794, 311120), (1588, 155560), (1985, 124448), (3176, 77780), (3889, 63520), (3970, 62224), (6352, 38890), (7778, 31760), (7940, 31112), (12704, 19445), (15556, 15880)]