1310260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{191}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 3225600

約数和(自身を除く): 1915340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 191, 196, 245, 343, 382, 490, 686, 764, 955, 980, 1337, 1372, 1715, 1910, 2674, 3430, 3820, 5348, 6685, 6860, 9359, 13370, 18718, 26740, 37436, 46795, 65513, 93590, 131026, 187180, 262052, 327565, 655130, 1310260]

約数ペア:

[(1, 1310260), (2, 655130), (4, 327565), (5, 262052), (7, 187180), (10, 131026), (14, 93590), (20, 65513), (28, 46795), (35, 37436), (49, 26740), (70, 18718), (98, 13370), (140, 9359), (191, 6860), (196, 6685), (245, 5348), (343, 3820), (382, 3430), (490, 2674), (686, 1910), (764, 1715), (955, 1372), (980, 1337)]