2009015890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{989663}}^1$

素因数の和:989706

約数の個数: 32

約数和(自身を含む): 4275348480

約数和(自身を除く): 2266332590

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 989663, 1979326, 4948315, 6927641, 9896630, 13855282, 28700227, 34638205, 57400454, 69276410, 143501135, 200901589, 287002270, 401803178, 1004507945, 2009015890]

約数ペア:

[(1, 2009015890), (2, 1004507945), (5, 401803178), (7, 287002270), (10, 200901589), (14, 143501135), (29, 69276410), (35, 57400454), (58, 34638205), (70, 28700227), (145, 13855282), (203, 9896630), (290, 6927641), (406, 4948315), (1015, 1979326), (2030, 989663)]