1004021780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1\times {\mathrm{769}}^1$

素因数の和:1548

約数の個数: 48

約数和(自身を含む): 2136121680

約数和(自身を除く): 1132099900

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 673, 769, 970, 1346, 1538, 1940, 2692, 3076, 3365, 3845, 6730, 7690, 13460, 15380, 65281, 74593, 130562, 149186, 261124, 298372, 326405, 372965, 517537, 652810, 745930, 1035074, 1305620, 1491860, 2070148, 2587685, 5175370, 10350740, 50201089, 100402178, 200804356, 251005445, 502010890, 1004021780]

約数ペア:

[(1, 1004021780), (2, 502010890), (4, 251005445), (5, 200804356), (10, 100402178), (20, 50201089), (97, 10350740), (194, 5175370), (388, 2587685), (485, 2070148), (673, 1491860), (769, 1305620), (970, 1035074), (1346, 745930), (1538, 652810), (1940, 517537), (2692, 372965), (3076, 326405), (3365, 298372), (3845, 261124), (6730, 149186), (7690, 130562), (13460, 74593), (15380, 65281)]