30771220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1601}}^1$

素因数の和:1672

約数の個数: 36

約数和(自身を含む): 66813012

約数和(自身を除く): 36041792

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1601, 1922, 3202, 3844, 4805, 6404, 8005, 9610, 16010, 19220, 32020, 49631, 99262, 198524, 248155, 496310, 992620, 1538561, 3077122, 6154244, 7692805, 15385610, 30771220]

約数ペア:

[(1, 30771220), (2, 15385610), (4, 7692805), (5, 6154244), (10, 3077122), (20, 1538561), (31, 992620), (62, 496310), (124, 248155), (155, 198524), (310, 99262), (620, 49631), (961, 32020), (1601, 19220), (1922, 16010), (3202, 9610), (3844, 8005), (4805, 6404)]