221707090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 453734820

約数和(自身を除く): 232027730

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 109, 110, 121, 205, 218, 242, 410, 451, 545, 605, 902, 1090, 1199, 1210, 1681, 2255, 2398, 3362, 4469, 4510, 4961, 5995, 8405, 8938, 9922, 11990, 13189, 16810, 18491, 22345, 24805, 26378, 36982, 44690, 49159, 49610, 65945, 92455, 98318, 131890, 183229, 184910, 203401, 245795, 366458, 406802, 491590, 540749, 916145, 1017005, 1081498, 1832290, 2015519, 2034010, 2703745, 4031038, 5407490, 10077595, 20155190, 22170709, 44341418, 110853545, 221707090]

約数ペア:

[(1, 221707090), (2, 110853545), (5, 44341418), (10, 22170709), (11, 20155190), (22, 10077595), (41, 5407490), (55, 4031038), (82, 2703745), (109, 2034010), (110, 2015519), (121, 1832290), (205, 1081498), (218, 1017005), (242, 916145), (410, 540749), (451, 491590), (545, 406802), (605, 366458), (902, 245795), (1090, 203401), (1199, 184910), (1210, 183229), (1681, 131890), (2255, 98318), (2398, 92455), (3362, 65945), (4469, 49610), (4510, 49159), (4961, 44690), (5995, 36982), (8405, 26378), (8938, 24805), (9922, 22345), (11990, 18491), (13189, 16810)]