780169964

素因数分解:

$2^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{10729}}^1$

素因数の和:10807

約数の個数: 48

約数和(自身を含む): 1622376000

約数和(自身を除く): 842206036

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 343, 371, 686, 742, 1372, 1484, 2597, 5194, 10388, 10729, 18179, 21458, 36358, 42916, 72716, 75103, 150206, 300412, 525721, 568637, 1051442, 1137274, 2102884, 2274548, 3680047, 3980459, 7360094, 7960918, 14720188, 15921836, 27863213, 55726426, 111452852, 195042491, 390084982, 780169964]

約数ペア:

[(1, 780169964), (2, 390084982), (4, 195042491), (7, 111452852), (14, 55726426), (28, 27863213), (49, 15921836), (53, 14720188), (98, 7960918), (106, 7360094), (196, 3980459), (212, 3680047), (343, 2274548), (371, 2102884), (686, 1137274), (742, 1051442), (1372, 568637), (1484, 525721), (2597, 300412), (5194, 150206), (10388, 75103), (10729, 72716), (18179, 42916), (21458, 36358)]