305289320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{2719}}^1$

素因数の和:3138

約数の個数: 64

約数和(自身を含む): 787276800

約数和(自身を除く): 481987480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 401, 802, 1604, 2005, 2719, 2807, 3208, 4010, 5438, 5614, 8020, 10876, 11228, 13595, 14035, 16040, 19033, 21752, 22456, 27190, 28070, 38066, 54380, 56140, 76132, 95165, 108760, 112280, 152264, 190330, 380660, 761320, 1090319, 2180638, 4361276, 5451595, 7632233, 8722552, 10903190, 15264466, 21806380, 30528932, 38161165, 43612760, 61057864, 76322330, 152644660, 305289320]

約数ペア:

[(1, 305289320), (2, 152644660), (4, 76322330), (5, 61057864), (7, 43612760), (8, 38161165), (10, 30528932), (14, 21806380), (20, 15264466), (28, 10903190), (35, 8722552), (40, 7632233), (56, 5451595), (70, 4361276), (140, 2180638), (280, 1090319), (401, 761320), (802, 380660), (1604, 190330), (2005, 152264), (2719, 112280), (2807, 108760), (3208, 95165), (4010, 76132), (5438, 56140), (5614, 54380), (8020, 38066), (10876, 28070), (11228, 27190), (13595, 22456), (14035, 21752), (16040, 19033)]