196156780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{74869}}^1$

素因数の和:75009

約数の個数: 24

約数和(自身を含む): 415079280

約数和(自身を除く): 218922500

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 74869, 149738, 299476, 374345, 748690, 1497380, 9807839, 19615678, 39231356, 49039195, 98078390, 196156780]

約数ペア:

[(1, 196156780), (2, 98078390), (4, 49039195), (5, 39231356), (10, 19615678), (20, 9807839), (131, 1497380), (262, 748690), (524, 374345), (655, 299476), (1310, 149738), (2620, 74869)]