12902900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6791}}^1$

素因数の和:6824

約数の個数: 36

約数和(自身を含む): 29477280

約数和(自身を除く): 16574380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 6791, 13582, 27164, 33955, 67910, 129029, 135820, 169775, 258058, 339550, 516116, 645145, 679100, 1290290, 2580580, 3225725, 6451450, 12902900]

約数ペア:

[(1, 12902900), (2, 6451450), (4, 3225725), (5, 2580580), (10, 1290290), (19, 679100), (20, 645145), (25, 516116), (38, 339550), (50, 258058), (76, 169775), (95, 135820), (100, 129029), (190, 67910), (380, 33955), (475, 27164), (950, 13582), (1900, 6791)]