2178814360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{4723}}^1$

素因数の和:5360

約数の個数: 64

約数和(自身を含む): 5169945600

約数和(自身を除く): 2991131240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 607, 760, 1214, 2428, 3035, 4723, 4856, 6070, 9446, 11533, 12140, 18892, 23066, 23615, 24280, 37784, 46132, 47230, 57665, 89737, 92264, 94460, 115330, 179474, 188920, 230660, 358948, 448685, 461320, 717896, 897370, 1794740, 2866861, 3589480, 5733722, 11467444, 14334305, 22934888, 28668610, 54470359, 57337220, 108940718, 114674440, 217881436, 272351795, 435762872, 544703590, 1089407180, 2178814360]

約数ペア:

[(1, 2178814360), (2, 1089407180), (4, 544703590), (5, 435762872), (8, 272351795), (10, 217881436), (19, 114674440), (20, 108940718), (38, 57337220), (40, 54470359), (76, 28668610), (95, 22934888), (152, 14334305), (190, 11467444), (380, 5733722), (607, 3589480), (760, 2866861), (1214, 1794740), (2428, 897370), (3035, 717896), (4723, 461320), (4856, 448685), (6070, 358948), (9446, 230660), (11533, 188920), (12140, 179474), (18892, 115330), (23066, 94460), (23615, 92264), (24280, 89737), (37784, 57665), (46132, 47230)]