207939100

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{12757}}^1$

素因数の和:12934

約数の個数: 36

約数和(自身を含む): 454031704

約数和(自身を除く): 246092604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1630, 3260, 4075, 8150, 12757, 16300, 25514, 51028, 63785, 127570, 255140, 318925, 637850, 1275700, 2079391, 4158782, 8317564, 10396955, 20793910, 41587820, 51984775, 103969550, 207939100]

約数ペア:

[(1, 207939100), (2, 103969550), (4, 51984775), (5, 41587820), (10, 20793910), (20, 10396955), (25, 8317564), (50, 4158782), (100, 2079391), (163, 1275700), (326, 637850), (652, 318925), (815, 255140), (1630, 127570), (3260, 63785), (4075, 51028), (8150, 25514), (12757, 16300)]