2238440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{523}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 5093280

約数和(自身を除く): 2854840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 523, 535, 856, 1046, 1070, 2092, 2140, 2615, 4184, 4280, 5230, 10460, 20920, 55961, 111922, 223844, 279805, 447688, 559610, 1119220, 2238440]

約数ペア:

[(1, 2238440), (2, 1119220), (4, 559610), (5, 447688), (8, 279805), (10, 223844), (20, 111922), (40, 55961), (107, 20920), (214, 10460), (428, 5230), (523, 4280), (535, 4184), (856, 2615), (1046, 2140), (1070, 2092)]