217445690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 305101510

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 89, 95, 110, 133, 154, 167, 178, 190, 209, 266, 334, 385, 418, 445, 623, 665, 770, 835, 890, 979, 1045, 1169, 1246, 1330, 1463, 1670, 1691, 1837, 1958, 2090, 2338, 2926, 3115, 3173, 3382, 3674, 4895, 5845, 6230, 6346, 6853, 7315, 8455, 9185, 9790, 11690, 11837, 12859, 13706, 14630, 14863, 15865, 16910, 18370, 18601, 22211, 23674, 25718, 29726, 31730, 34265, 34903, 37202, 44422, 59185, 64295, 68530, 69806, 74315, 93005, 104041, 111055, 118370, 128590, 130207, 148630, 163493, 174515, 186010, 208082, 222110, 244321, 260414, 282397, 326986, 349030, 488642, 520205, 564794, 651035, 817465, 1040410, 1144451, 1221605, 1302070, 1411985, 1634930, 1976779, 2288902, 2443210, 2823970, 3106367, 3953558, 5722255, 6212734, 9883895, 11444510, 15531835, 19767790, 21744569, 31063670, 43489138, 108722845, 217445690]

約数ペア:

[(1, 217445690), (2, 108722845), (5, 43489138), (7, 31063670), (10, 21744569), (11, 19767790), (14, 15531835), (19, 11444510), (22, 9883895), (35, 6212734), (38, 5722255), (55, 3953558), (70, 3106367), (77, 2823970), (89, 2443210), (95, 2288902), (110, 1976779), (133, 1634930), (154, 1411985), (167, 1302070), (178, 1221605), (190, 1144451), (209, 1040410), (266, 817465), (334, 651035), (385, 564794), (418, 520205), (445, 488642), (623, 349030), (665, 326986), (770, 282397), (835, 260414), (890, 244321), (979, 222110), (1045, 208082), (1169, 186010), (1246, 174515), (1330, 163493), (1463, 148630), (1670, 130207), (1691, 128590), (1837, 118370), (1958, 111055), (2090, 104041), (2338, 93005), (2926, 74315), (3115, 69806), (3173, 68530), (3382, 64295), (3674, 59185), (4895, 44422), (5845, 37202), (6230, 34903), (6346, 34265), (6853, 31730), (7315, 29726), (8455, 25718), (9185, 23674), (9790, 22211), (11690, 18601), (11837, 18370), (12859, 16910), (13706, 15865), (14630, 14863)]