7119580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 16299360

約数和(自身を除く): 9179780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 197, 260, 278, 394, 556, 695, 788, 985, 1390, 1807, 1970, 2561, 2780, 3614, 3940, 5122, 7228, 9035, 10244, 12805, 18070, 25610, 27383, 36140, 51220, 54766, 109532, 136915, 273830, 355979, 547660, 711958, 1423916, 1779895, 3559790, 7119580]

約数ペア:

[(1, 7119580), (2, 3559790), (4, 1779895), (5, 1423916), (10, 711958), (13, 547660), (20, 355979), (26, 273830), (52, 136915), (65, 109532), (130, 54766), (139, 51220), (197, 36140), (260, 27383), (278, 25610), (394, 18070), (556, 12805), (695, 10244), (788, 9035), (985, 7228), (1390, 5122), (1807, 3940), (1970, 3614), (2561, 2780)]