30187504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 62000000

約数和(自身を除く): 31812496

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 398, 499, 796, 998, 1592, 1996, 3184, 3781, 3992, 7562, 7984, 9481, 15124, 18962, 30248, 37924, 60496, 75848, 99301, 151696, 198602, 397204, 794408, 1588816, 1886719, 3773438, 7546876, 15093752, 30187504]

約数ペア:

[(1, 30187504), (2, 15093752), (4, 7546876), (8, 3773438), (16, 1886719), (19, 1588816), (38, 794408), (76, 397204), (152, 198602), (199, 151696), (304, 99301), (398, 75848), (499, 60496), (796, 37924), (998, 30248), (1592, 18962), (1996, 15124), (3184, 9481), (3781, 7984), (3992, 7562)]