28540540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29123}}^1$

素因数の和:29146

約数の個数: 36

約数和(自身を含む): 69722856

約数和(自身を除く): 41182316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29123, 58246, 116492, 145615, 203861, 291230, 407722, 582460, 815444, 1019305, 1427027, 2038610, 2854054, 4077220, 5708108, 7135135, 14270270, 28540540]

約数ペア:

[(1, 28540540), (2, 14270270), (4, 7135135), (5, 5708108), (7, 4077220), (10, 2854054), (14, 2038610), (20, 1427027), (28, 1019305), (35, 815444), (49, 582460), (70, 407722), (98, 291230), (140, 203861), (196, 145615), (245, 116492), (490, 58246), (980, 29123)]