28932680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 74926080

約数和(自身を除く): 45993400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 541, 764, 955, 1082, 1337, 1528, 1910, 2164, 2674, 2705, 3787, 3820, 4328, 5348, 5410, 6685, 7574, 7640, 10696, 10820, 13370, 15148, 18935, 21640, 26740, 30296, 37870, 53480, 75740, 103331, 151480, 206662, 413324, 516655, 723317, 826648, 1033310, 1446634, 2066620, 2893268, 3616585, 4133240, 5786536, 7233170, 14466340, 28932680]

約数ペア:

[(1, 28932680), (2, 14466340), (4, 7233170), (5, 5786536), (7, 4133240), (8, 3616585), (10, 2893268), (14, 2066620), (20, 1446634), (28, 1033310), (35, 826648), (40, 723317), (56, 516655), (70, 413324), (140, 206662), (191, 151480), (280, 103331), (382, 75740), (541, 53480), (764, 37870), (955, 30296), (1082, 26740), (1337, 21640), (1528, 18935), (1910, 15148), (2164, 13370), (2674, 10820), (2705, 10696), (3787, 7640), (3820, 7574), (4328, 6685), (5348, 5410)]