2911090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 6578712

約数和(自身を除く): 3667622

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 457, 490, 637, 910, 914, 1274, 2285, 3185, 3199, 4570, 5941, 6370, 6398, 11882, 15995, 22393, 29705, 31990, 41587, 44786, 59410, 83174, 111965, 207935, 223930, 291109, 415870, 582218, 1455545, 2911090]

約数ペア:

[(1, 2911090), (2, 1455545), (5, 582218), (7, 415870), (10, 291109), (13, 223930), (14, 207935), (26, 111965), (35, 83174), (49, 59410), (65, 44786), (70, 41587), (91, 31990), (98, 29705), (130, 22393), (182, 15995), (245, 11882), (455, 6398), (457, 6370), (490, 5941), (637, 4570), (910, 3199), (914, 3185), (1274, 2285)]