1887370660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{33619}}^1$

素因数の和:34036

約数の個数: 48

約数和(自身を含む): 4541120640

約数和(自身を除く): 2653749980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 4010, 5614, 8020, 11228, 14035, 28070, 33619, 56140, 67238, 134476, 168095, 235333, 336190, 470666, 672380, 941332, 1176665, 2353330, 4706660, 13481219, 26962438, 53924876, 67406095, 94368533, 134812190, 188737066, 269624380, 377474132, 471842665, 943685330, 1887370660]

約数ペア:

[(1, 1887370660), (2, 943685330), (4, 471842665), (5, 377474132), (7, 269624380), (10, 188737066), (14, 134812190), (20, 94368533), (28, 67406095), (35, 53924876), (70, 26962438), (140, 13481219), (401, 4706660), (802, 2353330), (1604, 1176665), (2005, 941332), (2807, 672380), (4010, 470666), (5614, 336190), (8020, 235333), (11228, 168095), (14035, 134476), (28070, 67238), (33619, 56140)]