9171820

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{191}}^1$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 22587264

約数和(自身を除く): 13415444

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, 2401, 2674, 3430, 3820, 4802, 5348, 6685, 6860, 9359, 9604, 12005, 13370, 18718, 24010, 26740, 37436, 46795, 48020, 65513, 93590, 131026, 187180, 262052, 327565, 458591, 655130, 917182, 1310260, 1834364, 2292955, 4585910, 9171820]

約数ペア:

[(1, 9171820), (2, 4585910), (4, 2292955), (5, 1834364), (7, 1310260), (10, 917182), (14, 655130), (20, 458591), (28, 327565), (35, 262052), (49, 187180), (70, 131026), (98, 93590), (140, 65513), (191, 48020), (196, 46795), (245, 37436), (343, 26740), (382, 24010), (490, 18718), (686, 13370), (764, 12005), (955, 9604), (980, 9359), (1337, 6860), (1372, 6685), (1715, 5348), (1910, 4802), (2401, 3820), (2674, 3430)]