8987860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 22087296

約数和(自身を除く): 13099436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1493, 1505, 2986, 3010, 5972, 6020, 7465, 10451, 14930, 20902, 29860, 41804, 52255, 64199, 104510, 128398, 209020, 256796, 320995, 449393, 641990, 898786, 1283980, 1797572, 2246965, 4493930, 8987860]

約数ペア:

[(1, 8987860), (2, 4493930), (4, 2246965), (5, 1797572), (7, 1283980), (10, 898786), (14, 641990), (20, 449393), (28, 320995), (35, 256796), (43, 209020), (70, 128398), (86, 104510), (140, 64199), (172, 52255), (215, 41804), (301, 29860), (430, 20902), (602, 14930), (860, 10451), (1204, 7465), (1493, 6020), (1505, 5972), (2986, 3010)]