1958723620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{27487}}^1$

素因数の和:28012

約数の個数: 48

約数和(自身を含む): 4710343680

約数和(自身を除く): 2751620060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509, 1018, 2036, 2545, 3563, 5090, 7126, 10180, 14252, 17815, 27487, 35630, 54974, 71260, 109948, 137435, 192409, 274870, 384818, 549740, 769636, 962045, 1924090, 3848180, 13990883, 27981766, 55963532, 69954415, 97936181, 139908830, 195872362, 279817660, 391744724, 489680905, 979361810, 1958723620]

約数ペア:

[(1, 1958723620), (2, 979361810), (4, 489680905), (5, 391744724), (7, 279817660), (10, 195872362), (14, 139908830), (20, 97936181), (28, 69954415), (35, 55963532), (70, 27981766), (140, 13990883), (509, 3848180), (1018, 1924090), (2036, 962045), (2545, 769636), (3563, 549740), (5090, 384818), (7126, 274870), (10180, 192409), (14252, 137435), (17815, 109948), (27487, 71260), (35630, 54974)]