778832120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:1029

約数の個数: 128

約数和(自身を含む): 2009318400

約数和(自身を除く): 1230486280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 67, 88, 110, 116, 134, 145, 220, 232, 268, 290, 319, 335, 440, 536, 580, 638, 670, 737, 911, 1160, 1276, 1340, 1474, 1595, 1822, 1943, 2552, 2680, 2948, 3190, 3644, 3685, 3886, 4555, 5896, 6380, 7288, 7370, 7772, 9110, 9715, 10021, 12760, 14740, 15544, 18220, 19430, 20042, 21373, 26419, 29480, 36440, 38860, 40084, 42746, 50105, 52838, 61037, 77720, 80168, 85492, 100210, 105676, 106865, 122074, 132095, 170984, 200420, 211352, 213730, 244148, 264190, 290609, 305185, 400840, 427460, 488296, 528380, 581218, 610370, 671407, 854920, 1056760, 1162436, 1220740, 1342814, 1453045, 1770073, 2324872, 2441480, 2685628, 2906090, 3357035, 3540146, 5371256, 5812180, 6714070, 7080292, 8850365, 11624360, 13428140, 14160584, 17700730, 19470803, 26856280, 35401460, 38941606, 70802920, 77883212, 97354015, 155766424, 194708030, 389416060, 778832120]

約数ペア:

[(1, 778832120), (2, 389416060), (4, 194708030), (5, 155766424), (8, 97354015), (10, 77883212), (11, 70802920), (20, 38941606), (22, 35401460), (29, 26856280), (40, 19470803), (44, 17700730), (55, 14160584), (58, 13428140), (67, 11624360), (88, 8850365), (110, 7080292), (116, 6714070), (134, 5812180), (145, 5371256), (220, 3540146), (232, 3357035), (268, 2906090), (290, 2685628), (319, 2441480), (335, 2324872), (440, 1770073), (536, 1453045), (580, 1342814), (638, 1220740), (670, 1162436), (737, 1056760), (911, 854920), (1160, 671407), (1276, 610370), (1340, 581218), (1474, 528380), (1595, 488296), (1822, 427460), (1943, 400840), (2552, 305185), (2680, 290609), (2948, 264190), (3190, 244148), (3644, 213730), (3685, 211352), (3886, 200420), (4555, 170984), (5896, 132095), (6380, 122074), (7288, 106865), (7370, 105676), (7772, 100210), (9110, 85492), (9715, 80168), (10021, 77720), (12760, 61037), (14740, 52838), (15544, 50105), (18220, 42746), (19430, 40084), (20042, 38860), (21373, 36440), (26419, 29480)]