131224340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3631}}^1$

素因数の和:3792

約数の個数: 48

約数和(自身を含む): 298986240

約数和(自身を除く): 167761900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 3631, 7228, 7262, 9035, 14524, 18070, 18155, 36140, 36310, 47203, 72620, 94406, 188812, 236015, 472030, 504709, 944060, 1009418, 2018836, 2523545, 5047090, 6561217, 10094180, 13122434, 26244868, 32806085, 65612170, 131224340]

約数ペア:

[(1, 131224340), (2, 65612170), (4, 32806085), (5, 26244868), (10, 13122434), (13, 10094180), (20, 6561217), (26, 5047090), (52, 2523545), (65, 2018836), (130, 1009418), (139, 944060), (260, 504709), (278, 472030), (556, 236015), (695, 188812), (1390, 94406), (1807, 72620), (2780, 47203), (3614, 36310), (3631, 36140), (7228, 18155), (7262, 18070), (9035, 14524)]