215537840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{384889}}^1$

素因数の和:384909

約数の個数: 40

約数和(自身を含む): 572716320

約数和(自身を除く): 357178480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 384889, 769778, 1539556, 1924445, 2694223, 3079112, 3848890, 5388446, 6158224, 7697780, 10776892, 13471115, 15395560, 21553784, 26942230, 30791120, 43107568, 53884460, 107768920, 215537840]

約数ペア:

[(1, 215537840), (2, 107768920), (4, 53884460), (5, 43107568), (7, 30791120), (8, 26942230), (10, 21553784), (14, 15395560), (16, 13471115), (20, 10776892), (28, 7697780), (35, 6158224), (40, 5388446), (56, 3848890), (70, 3079112), (80, 2694223), (112, 1924445), (140, 1539556), (280, 769778), (560, 384889)]