187813780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11087}}^1$

素因数の和:11125

約数の個数: 72

約数和(自身を含む): 495500544

約数和(自身を除く): 307686764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 11087, 16940, 22174, 44348, 55435, 77609, 110870, 121957, 155218, 221740, 243914, 310436, 388045, 487828, 609785, 776090, 853699, 1219570, 1341527, 1552180, 1707398, 2439140, 2683054, 3414796, 4268495, 5366108, 6707635, 8536990, 9390689, 13415270, 17073980, 18781378, 26830540, 37562756, 46953445, 93906890, 187813780]

約数ペア:

[(1, 187813780), (2, 93906890), (4, 46953445), (5, 37562756), (7, 26830540), (10, 18781378), (11, 17073980), (14, 13415270), (20, 9390689), (22, 8536990), (28, 6707635), (35, 5366108), (44, 4268495), (55, 3414796), (70, 2683054), (77, 2439140), (110, 1707398), (121, 1552180), (140, 1341527), (154, 1219570), (220, 853699), (242, 776090), (308, 609785), (385, 487828), (484, 388045), (605, 310436), (770, 243914), (847, 221740), (1210, 155218), (1540, 121957), (1694, 110870), (2420, 77609), (3388, 55435), (4235, 44348), (8470, 22174), (11087, 16940)]