55378820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{56509}}^1$

素因数の和:56532

約数の個数: 36

約数和(自身を含む): 135284940

約数和(自身を除く): 79906120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 56509, 113018, 226036, 282545, 395563, 565090, 791126, 1130180, 1582252, 1977815, 2768941, 3955630, 5537882, 7911260, 11075764, 13844705, 27689410, 55378820]

約数ペア:

[(1, 55378820), (2, 27689410), (4, 13844705), (5, 11075764), (7, 7911260), (10, 5537882), (14, 3955630), (20, 2768941), (28, 1977815), (35, 1582252), (49, 1130180), (70, 791126), (98, 565090), (140, 395563), (196, 282545), (245, 226036), (490, 113018), (980, 56509)]