2009186820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{656597}}^1$

素因数の和:656629

約数の個数: 72

約数和(自身を含む): 6453045144

約数和(自身を除く): 4443858324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 656597, 1313194, 1969791, 2626388, 3282985, 3939582, 5909373, 6565970, 7879164, 9848955, 11162149, 11818746, 13131940, 19697910, 22324298, 23637492, 29546865, 33486447, 39395820, 44648596, 55810745, 59093730, 66972894, 100459341, 111621490, 118187460, 133945788, 167432235, 200918682, 223242980, 334864470, 401837364, 502296705, 669728940, 1004593410, 2009186820]

約数ペア:

[(1, 2009186820), (2, 1004593410), (3, 669728940), (4, 502296705), (5, 401837364), (6, 334864470), (9, 223242980), (10, 200918682), (12, 167432235), (15, 133945788), (17, 118187460), (18, 111621490), (20, 100459341), (30, 66972894), (34, 59093730), (36, 55810745), (45, 44648596), (51, 39395820), (60, 33486447), (68, 29546865), (85, 23637492), (90, 22324298), (102, 19697910), (153, 13131940), (170, 11818746), (180, 11162149), (204, 9848955), (255, 7879164), (306, 6565970), (340, 5909373), (510, 3939582), (612, 3282985), (765, 2626388), (1020, 1969791), (1530, 1313194), (3060, 656597)]