549000100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3643}}^1$

素因数の和:3805

約数の個数: 72

約数和(自身を含む): 1309478688

約数和(自身を除く): 760478588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 137, 220, 274, 275, 548, 550, 685, 1100, 1370, 1507, 2740, 3014, 3425, 3643, 6028, 6850, 7286, 7535, 13700, 14572, 15070, 18215, 30140, 36430, 37675, 40073, 72860, 75350, 80146, 91075, 150700, 160292, 182150, 200365, 364300, 400730, 499091, 801460, 998182, 1001825, 1996364, 2003650, 2495455, 4007300, 4990910, 5490001, 9981820, 10980002, 12477275, 21960004, 24954550, 27450005, 49909100, 54900010, 109800020, 137250025, 274500050, 549000100]

約数ペア:

[(1, 549000100), (2, 274500050), (4, 137250025), (5, 109800020), (10, 54900010), (11, 49909100), (20, 27450005), (22, 24954550), (25, 21960004), (44, 12477275), (50, 10980002), (55, 9981820), (100, 5490001), (110, 4990910), (137, 4007300), (220, 2495455), (274, 2003650), (275, 1996364), (548, 1001825), (550, 998182), (685, 801460), (1100, 499091), (1370, 400730), (1507, 364300), (2740, 200365), (3014, 182150), (3425, 160292), (3643, 150700), (6028, 91075), (6850, 80146), (7286, 75350), (7535, 72860), (13700, 40073), (14572, 37675), (15070, 36430), (18215, 30140)]