2488892990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1721}}^1$

素因数の和:1973

約数の個数: 64

約数和(自身を含む): 4874059008

約数和(自身を除く): 2385166018

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 181, 235, 362, 470, 799, 905, 1598, 1721, 1810, 3077, 3442, 3995, 6154, 7990, 8507, 8605, 15385, 17014, 17210, 29257, 30770, 42535, 58514, 80887, 85070, 144619, 146285, 161774, 289238, 292570, 311501, 404435, 623002, 723095, 808870, 1375079, 1446190, 1557505, 2750158, 3115010, 5295517, 6875395, 10591034, 13750790, 14640547, 26477585, 29281094, 52955170, 73202735, 146405470, 248889299, 497778598, 1244446495, 2488892990]

約数ペア:

[(1, 2488892990), (2, 1244446495), (5, 497778598), (10, 248889299), (17, 146405470), (34, 73202735), (47, 52955170), (85, 29281094), (94, 26477585), (170, 14640547), (181, 13750790), (235, 10591034), (362, 6875395), (470, 5295517), (799, 3115010), (905, 2750158), (1598, 1557505), (1721, 1446190), (1810, 1375079), (3077, 808870), (3442, 723095), (3995, 623002), (6154, 404435), (7990, 311501), (8507, 292570), (8605, 289238), (15385, 161774), (17014, 146285), (17210, 144619), (29257, 85070), (30770, 80887), (42535, 58514)]