720972364

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{6481}}^1$

素因数の和:6658

約数の個数: 48

約数和(自身を含む): 1502786880

約数和(自身を除く): 781814516

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 203, 274, 406, 548, 812, 959, 1918, 3836, 3973, 6481, 7946, 12962, 15892, 25924, 27811, 45367, 55622, 90734, 111244, 181468, 187949, 375898, 751796, 887897, 1315643, 1775794, 2631286, 3551588, 5262572, 6215279, 12430558, 24861116, 25749013, 51498026, 102996052, 180243091, 360486182, 720972364]

約数ペア:

[(1, 720972364), (2, 360486182), (4, 180243091), (7, 102996052), (14, 51498026), (28, 25749013), (29, 24861116), (58, 12430558), (116, 6215279), (137, 5262572), (203, 3551588), (274, 2631286), (406, 1775794), (548, 1315643), (812, 887897), (959, 751796), (1918, 375898), (3836, 187949), (3973, 181468), (6481, 111244), (7946, 90734), (12962, 55622), (15892, 45367), (25924, 27811)]