2012507980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{9907}}^1$

素因数の和:11374

約数の個数: 48

約数和(自身を含む): 4833835776

約数和(自身を除く): 2821327796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1451, 2902, 5804, 7255, 9907, 10157, 14510, 19814, 20314, 29020, 39628, 40628, 49535, 50785, 69349, 99070, 101570, 138698, 198140, 203140, 277396, 346745, 693490, 1386980, 14375057, 28750114, 57500228, 71875285, 100625399, 143750570, 201250798, 287501140, 402501596, 503126995, 1006253990, 2012507980]

約数ペア:

[(1, 2012507980), (2, 1006253990), (4, 503126995), (5, 402501596), (7, 287501140), (10, 201250798), (14, 143750570), (20, 100625399), (28, 71875285), (35, 57500228), (70, 28750114), (140, 14375057), (1451, 1386980), (2902, 693490), (5804, 346745), (7255, 277396), (9907, 203140), (10157, 198140), (14510, 138698), (19814, 101570), (20314, 99070), (29020, 69349), (39628, 50785), (40628, 49535)]