138457100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{19501}}^1$

素因数の和:19586

約数の個数: 36

約数和(自身を含む): 304699248

約数和(自身を除く): 166242148

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 19501, 39002, 78004, 97505, 195010, 390020, 487525, 975050, 1384571, 1950100, 2769142, 5538284, 6922855, 13845710, 27691420, 34614275, 69228550, 138457100]

約数ペア:

[(1, 138457100), (2, 69228550), (4, 34614275), (5, 27691420), (10, 13845710), (20, 6922855), (25, 5538284), (50, 2769142), (71, 1950100), (100, 1384571), (142, 975050), (284, 487525), (355, 390020), (710, 195010), (1420, 97505), (1775, 78004), (3550, 39002), (7100, 19501)]