28964740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10889}}^1$

素因数の和:10924

約数の個数: 48

約数和(自身を含む): 73180800

約数和(自身を除く): 44216060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10889, 21778, 43556, 54445, 76223, 108890, 152446, 206891, 217780, 304892, 381115, 413782, 762230, 827564, 1034455, 1448237, 1524460, 2068910, 2896474, 4137820, 5792948, 7241185, 14482370, 28964740]

約数ペア:

[(1, 28964740), (2, 14482370), (4, 7241185), (5, 5792948), (7, 4137820), (10, 2896474), (14, 2068910), (19, 1524460), (20, 1448237), (28, 1034455), (35, 827564), (38, 762230), (70, 413782), (76, 381115), (95, 304892), (133, 217780), (140, 206891), (190, 152446), (266, 108890), (380, 76223), (532, 54445), (665, 43556), (1330, 21778), (2660, 10889)]