30290180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 67872000

約数和(自身を除く): 37581820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1009, 1501, 1580, 2018, 3002, 4036, 5045, 6004, 7505, 10090, 15010, 19171, 20180, 30020, 38342, 76684, 79711, 95855, 159422, 191710, 318844, 383420, 398555, 797110, 1514509, 1594220, 3029018, 6058036, 7572545, 15145090, 30290180]

約数ペア:

[(1, 30290180), (2, 15145090), (4, 7572545), (5, 6058036), (10, 3029018), (19, 1594220), (20, 1514509), (38, 797110), (76, 398555), (79, 383420), (95, 318844), (158, 191710), (190, 159422), (316, 95855), (380, 79711), (395, 76684), (790, 38342), (1009, 30020), (1501, 20180), (1580, 19171), (2018, 15010), (3002, 10090), (4036, 7505), (5045, 6004)]