11813480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 31380480

約数和(自身を除く): 19567000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1361, 1736, 2170, 2722, 4340, 5444, 6805, 8680, 9527, 10888, 13610, 19054, 27220, 38108, 42191, 47635, 54440, 76216, 84382, 95270, 168764, 190540, 210955, 295337, 337528, 381080, 421910, 590674, 843820, 1181348, 1476685, 1687640, 2362696, 2953370, 5906740, 11813480]

約数ペア:

[(1, 11813480), (2, 5906740), (4, 2953370), (5, 2362696), (7, 1687640), (8, 1476685), (10, 1181348), (14, 843820), (20, 590674), (28, 421910), (31, 381080), (35, 337528), (40, 295337), (56, 210955), (62, 190540), (70, 168764), (124, 95270), (140, 84382), (155, 76216), (217, 54440), (248, 47635), (280, 42191), (310, 38108), (434, 27220), (620, 19054), (868, 13610), (1085, 10888), (1240, 9527), (1361, 8680), (1736, 6805), (2170, 5444), (2722, 4340)]