257968810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 524392704

約数和(自身を除く): 266423894

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 185, 241, 263, 370, 407, 482, 526, 814, 1205, 1315, 2035, 2410, 2630, 2651, 2893, 4070, 5302, 5786, 8917, 9731, 13255, 14465, 17834, 19462, 26510, 28930, 44585, 48655, 63383, 89170, 97310, 98087, 107041, 126766, 196174, 214082, 316915, 490435, 535205, 633830, 697213, 980870, 1070410, 1394426, 2345171, 3486065, 4690342, 6972130, 11725855, 23451710, 25796881, 51593762, 128984405, 257968810]

約数ペア:

[(1, 257968810), (2, 128984405), (5, 51593762), (10, 25796881), (11, 23451710), (22, 11725855), (37, 6972130), (55, 4690342), (74, 3486065), (110, 2345171), (185, 1394426), (241, 1070410), (263, 980870), (370, 697213), (407, 633830), (482, 535205), (526, 490435), (814, 316915), (1205, 214082), (1315, 196174), (2035, 126766), (2410, 107041), (2630, 98087), (2651, 97310), (2893, 89170), (4070, 63383), (5302, 48655), (5786, 44585), (8917, 28930), (9731, 26510), (13255, 19462), (14465, 17834)]