81249828220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21724553}}^1$

素因数の和:21724590

約数の個数: 48

約数和(自身を含む): 197085153888

約数和(自身を除く): 115835325668

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 21724553, 43449106, 86898212, 108622765, 217245530, 238970083, 369317401, 434491060, 477940166, 738634802, 955880332, 1194850415, 1477269604, 1846587005, 2389700830, 3693174010, 4062491411, 4779401660, 7386348020, 8124982822, 16249965644, 20312457055, 40624914110, 81249828220]

約数ペア:

[(1, 81249828220), (2, 40624914110), (4, 20312457055), (5, 16249965644), (10, 8124982822), (11, 7386348020), (17, 4779401660), (20, 4062491411), (22, 3693174010), (34, 2389700830), (44, 1846587005), (55, 1477269604), (68, 1194850415), (85, 955880332), (110, 738634802), (170, 477940166), (187, 434491060), (220, 369317401), (340, 238970083), (374, 217245530), (748, 108622765), (935, 86898212), (1870, 43449106), (3740, 21724553)]