31352860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20359}}^1$

素因数の和:20386

約数の個数: 48

約数和(自身を含む): 82091520

約数和(自身を除く): 50738660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20359, 40718, 81436, 101795, 142513, 203590, 223949, 285026, 407180, 447898, 570052, 712565, 895796, 1119745, 1425130, 1567643, 2239490, 2850260, 3135286, 4478980, 6270572, 7838215, 15676430, 31352860]

約数ペア:

[(1, 31352860), (2, 15676430), (4, 7838215), (5, 6270572), (7, 4478980), (10, 3135286), (11, 2850260), (14, 2239490), (20, 1567643), (22, 1425130), (28, 1119745), (35, 895796), (44, 712565), (55, 570052), (70, 447898), (77, 407180), (110, 285026), (140, 223949), (154, 203590), (220, 142513), (308, 101795), (385, 81436), (770, 40718), (1540, 20359)]