2219840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{991}}^1$

素因数の和:1015

約数の個数: 56

約数和(自身を含む): 6047232

約数和(自身を除く): 3827392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 991, 1120, 1982, 2240, 3964, 4955, 6937, 7928, 9910, 13874, 15856, 19820, 27748, 31712, 34685, 39640, 55496, 63424, 69370, 79280, 110992, 138740, 158560, 221984, 277480, 317120, 443968, 554960, 1109920, 2219840]

約数ペア:

[(1, 2219840), (2, 1109920), (4, 554960), (5, 443968), (7, 317120), (8, 277480), (10, 221984), (14, 158560), (16, 138740), (20, 110992), (28, 79280), (32, 69370), (35, 63424), (40, 55496), (56, 39640), (64, 34685), (70, 31712), (80, 27748), (112, 19820), (140, 15856), (160, 13874), (224, 9910), (280, 7928), (320, 6937), (448, 4955), (560, 3964), (991, 2240), (1120, 1982)]