2530990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 6013440

約数和(自身を除く): 3482450

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 173, 190, 209, 266, 346, 385, 418, 665, 770, 865, 1045, 1211, 1330, 1463, 1730, 1903, 2090, 2422, 2926, 3287, 3806, 6055, 6574, 7315, 9515, 12110, 13321, 14630, 16435, 19030, 23009, 26642, 32870, 36157, 46018, 66605, 72314, 115045, 133210, 180785, 230090, 253099, 361570, 506198, 1265495, 2530990]

約数ペア:

[(1, 2530990), (2, 1265495), (5, 506198), (7, 361570), (10, 253099), (11, 230090), (14, 180785), (19, 133210), (22, 115045), (35, 72314), (38, 66605), (55, 46018), (70, 36157), (77, 32870), (95, 26642), (110, 23009), (133, 19030), (154, 16435), (173, 14630), (190, 13321), (209, 12110), (266, 9515), (346, 7315), (385, 6574), (418, 6055), (665, 3806), (770, 3287), (865, 2926), (1045, 2422), (1211, 2090), (1330, 1903), (1463, 1730)]