1245950825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 1979873280

約数和(自身を除く): 733922455

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 131, 139, 161, 175, 391, 425, 575, 595, 655, 695, 805, 917, 973, 1955, 2227, 2363, 2737, 2975, 3013, 3197, 3275, 3475, 4025, 4585, 4865, 9775, 11135, 11815, 13685, 15065, 15589, 15985, 16541, 18209, 21091, 22379, 22925, 24325, 51221, 54349, 55675, 59075, 68425, 75325, 77945, 79925, 82705, 91045, 105455, 111895, 127463, 256105, 271745, 309553, 358547, 380443, 389725, 413525, 418807, 455225, 527275, 559475, 637315, 1280525, 1358725, 1547765, 1792735, 1902215, 2094035, 2166871, 2931649, 3186575, 7119719, 7738825, 8963675, 9511075, 10470175, 10834355, 14658245, 35598595, 49838033, 54171775, 73291225, 177992975, 249190165, 1245950825]

約数ペア:

[(1, 1245950825), (5, 249190165), (7, 177992975), (17, 73291225), (23, 54171775), (25, 49838033), (35, 35598595), (85, 14658245), (115, 10834355), (119, 10470175), (131, 9511075), (139, 8963675), (161, 7738825), (175, 7119719), (391, 3186575), (425, 2931649), (575, 2166871), (595, 2094035), (655, 1902215), (695, 1792735), (805, 1547765), (917, 1358725), (973, 1280525), (1955, 637315), (2227, 559475), (2363, 527275), (2737, 455225), (2975, 418807), (3013, 413525), (3197, 389725), (3275, 380443), (3475, 358547), (4025, 309553), (4585, 271745), (4865, 256105), (9775, 127463), (11135, 111895), (11815, 105455), (13685, 91045), (15065, 82705), (15589, 79925), (15985, 77945), (16541, 75325), (18209, 68425), (21091, 59075), (22379, 55675), (22925, 54349), (24325, 51221)]