2019497740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{209927}}^1$

素因数の和:209986

約数の個数: 48

約数和(自身を含む): 4690631232

約数和(自身を除く): 2671133492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 209927, 419854, 839708, 1049635, 2099270, 2729051, 4198540, 5458102, 7767299, 10916204, 13645255, 15534598, 27290510, 31069196, 38836495, 54581020, 77672990, 100974887, 155345980, 201949774, 403899548, 504874435, 1009748870, 2019497740]

約数ペア:

[(1, 2019497740), (2, 1009748870), (4, 504874435), (5, 403899548), (10, 201949774), (13, 155345980), (20, 100974887), (26, 77672990), (37, 54581020), (52, 38836495), (65, 31069196), (74, 27290510), (130, 15534598), (148, 13645255), (185, 10916204), (260, 7767299), (370, 5458102), (481, 4198540), (740, 2729051), (962, 2099270), (1924, 1049635), (2405, 839708), (4810, 419854), (9620, 209927)]