202109180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111049}}^1$

素因数の和:111078

約数の個数: 48

約数和(自身を含む): 522379200

約数和(自身を除く): 320270020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 111049, 222098, 444196, 555245, 777343, 1110490, 1443637, 1554686, 2220980, 2887274, 3109372, 3886715, 5774548, 7218185, 7773430, 10105459, 14436370, 15546860, 20210918, 28872740, 40421836, 50527295, 101054590, 202109180]

約数ペア:

[(1, 202109180), (2, 101054590), (4, 50527295), (5, 40421836), (7, 28872740), (10, 20210918), (13, 15546860), (14, 14436370), (20, 10105459), (26, 7773430), (28, 7218185), (35, 5774548), (52, 3886715), (65, 3109372), (70, 2887274), (91, 2220980), (130, 1554686), (140, 1443637), (182, 1110490), (260, 777343), (364, 555245), (455, 444196), (910, 222098), (1820, 111049)]