142740280

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{15583}}^1$

素因数の和:15823

約数の個数: 32

約数和(自身を含む): 322588800

約数和(自身を除く): 179848520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 15583, 31166, 62332, 77915, 124664, 155830, 311660, 623320, 3568507, 7137014, 14274028, 17842535, 28548056, 35685070, 71370140, 142740280]

約数ペア:

[(1, 142740280), (2, 71370140), (4, 35685070), (5, 28548056), (8, 17842535), (10, 14274028), (20, 7137014), (40, 3568507), (229, 623320), (458, 311660), (916, 155830), (1145, 124664), (1832, 77915), (2290, 62332), (4580, 31166), (9160, 15583)]