128472620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1409}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 278570880

約数和(自身を除く): 150098260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 388, 470, 485, 940, 970, 1409, 1940, 2818, 4559, 5636, 7045, 9118, 14090, 18236, 22795, 28180, 45590, 66223, 91180, 132446, 136673, 264892, 273346, 331115, 546692, 662230, 683365, 1324460, 1366730, 2733460, 6423631, 12847262, 25694524, 32118155, 64236310, 128472620]

約数ペア:

[(1, 128472620), (2, 64236310), (4, 32118155), (5, 25694524), (10, 12847262), (20, 6423631), (47, 2733460), (94, 1366730), (97, 1324460), (188, 683365), (194, 662230), (235, 546692), (388, 331115), (470, 273346), (485, 264892), (940, 136673), (970, 132446), (1409, 91180), (1940, 66223), (2818, 45590), (4559, 28180), (5636, 22795), (7045, 18236), (9118, 14090)]