2161810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 4510080

約数和(自身を除く): 2348270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 347, 445, 623, 694, 890, 1246, 1735, 2429, 3115, 3470, 4858, 6230, 12145, 24290, 30883, 61766, 154415, 216181, 308830, 432362, 1080905, 2161810]

約数ペア:

[(1, 2161810), (2, 1080905), (5, 432362), (7, 308830), (10, 216181), (14, 154415), (35, 61766), (70, 30883), (89, 24290), (178, 12145), (347, 6230), (445, 4858), (623, 3470), (694, 3115), (890, 2429), (1246, 1735)]