943651540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{26111}}^1$

素因数の和:26272

約数の個数: 48

約数和(自身を含む): 2149539840

約数和(自身を除く): 1205888300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1390, 1807, 2780, 3614, 7228, 9035, 18070, 26111, 36140, 52222, 104444, 130555, 261110, 339443, 522220, 678886, 1357772, 1697215, 3394430, 3629429, 6788860, 7258858, 14517716, 18147145, 36294290, 47182577, 72588580, 94365154, 188730308, 235912885, 471825770, 943651540]

約数ペア:

[(1, 943651540), (2, 471825770), (4, 235912885), (5, 188730308), (10, 94365154), (13, 72588580), (20, 47182577), (26, 36294290), (52, 18147145), (65, 14517716), (130, 7258858), (139, 6788860), (260, 3629429), (278, 3394430), (556, 1697215), (695, 1357772), (1390, 678886), (1807, 522220), (2780, 339443), (3614, 261110), (7228, 130555), (9035, 104444), (18070, 52222), (26111, 36140)]