2178045380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{2609}}^1$

素因数の和:2781

約数の個数: 96

約数和(自身を含む): 5366995200

約数和(自身を除く): 3188949820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 89, 134, 140, 178, 268, 335, 356, 445, 469, 623, 670, 890, 938, 1246, 1340, 1780, 1876, 2345, 2492, 2609, 3115, 4690, 5218, 5963, 6230, 9380, 10436, 11926, 12460, 13045, 18263, 23852, 26090, 29815, 36526, 41741, 52180, 59630, 73052, 83482, 91315, 119260, 166964, 174803, 182630, 208705, 232201, 349606, 365260, 417410, 464402, 699212, 834820, 874015, 928804, 1161005, 1223621, 1625407, 1748030, 2322010, 2447242, 3250814, 3496060, 4644020, 4894484, 6118105, 6501628, 8127035, 12236210, 15557467, 16254070, 24472420, 31114934, 32508140, 62229868, 77787335, 108902269, 155574670, 217804538, 311149340, 435609076, 544511345, 1089022690, 2178045380]

約数ペア:

[(1, 2178045380), (2, 1089022690), (4, 544511345), (5, 435609076), (7, 311149340), (10, 217804538), (14, 155574670), (20, 108902269), (28, 77787335), (35, 62229868), (67, 32508140), (70, 31114934), (89, 24472420), (134, 16254070), (140, 15557467), (178, 12236210), (268, 8127035), (335, 6501628), (356, 6118105), (445, 4894484), (469, 4644020), (623, 3496060), (670, 3250814), (890, 2447242), (938, 2322010), (1246, 1748030), (1340, 1625407), (1780, 1223621), (1876, 1161005), (2345, 928804), (2492, 874015), (2609, 834820), (3115, 699212), (4690, 464402), (5218, 417410), (5963, 365260), (6230, 349606), (9380, 232201), (10436, 208705), (11926, 182630), (12460, 174803), (13045, 166964), (18263, 119260), (23852, 91315), (26090, 83482), (29815, 73052), (36526, 59630), (41741, 52180)]