42398620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^2$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 97353144

約数和(自身を除く): 54954524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 878, 1756, 2195, 4390, 4829, 8780, 9658, 19316, 24145, 48290, 96580, 192721, 385442, 770884, 963605, 1927210, 2119931, 3854420, 4239862, 8479724, 10599655, 21199310, 42398620]

約数ペア:

[(1, 42398620), (2, 21199310), (4, 10599655), (5, 8479724), (10, 4239862), (11, 3854420), (20, 2119931), (22, 1927210), (44, 963605), (55, 770884), (110, 385442), (220, 192721), (439, 96580), (878, 48290), (1756, 24145), (2195, 19316), (4390, 9658), (4829, 8780)]