9869020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 23889600

約数和(自身を除く): 14020580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 449, 628, 785, 898, 1099, 1570, 1796, 2198, 2245, 3140, 3143, 4396, 4490, 5495, 6286, 8980, 10990, 12572, 15715, 21980, 31430, 62860, 70493, 140986, 281972, 352465, 493451, 704930, 986902, 1409860, 1973804, 2467255, 4934510, 9869020]

約数ペア:

[(1, 9869020), (2, 4934510), (4, 2467255), (5, 1973804), (7, 1409860), (10, 986902), (14, 704930), (20, 493451), (28, 352465), (35, 281972), (70, 140986), (140, 70493), (157, 62860), (314, 31430), (449, 21980), (628, 15715), (785, 12572), (898, 10990), (1099, 8980), (1570, 6286), (1796, 5495), (2198, 4490), (2245, 4396), (3140, 3143)]