138723620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{4327}}^1$

素因数の和:4572

約数の個数: 48

約数和(自身を含む): 334467840

約数和(自身を除く): 195744220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 3206, 4327, 4580, 6412, 8015, 8654, 16030, 17308, 21635, 30289, 32060, 43270, 60578, 86540, 121156, 151445, 302890, 605780, 990883, 1981766, 3963532, 4954415, 6936181, 9908830, 13872362, 19817660, 27744724, 34680905, 69361810, 138723620]

約数ペア:

[(1, 138723620), (2, 69361810), (4, 34680905), (5, 27744724), (7, 19817660), (10, 13872362), (14, 9908830), (20, 6936181), (28, 4954415), (35, 3963532), (70, 1981766), (140, 990883), (229, 605780), (458, 302890), (916, 151445), (1145, 121156), (1603, 86540), (2290, 60578), (3206, 43270), (4327, 32060), (4580, 30289), (6412, 21635), (8015, 17308), (8654, 16030)]