1868860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1907}}^1$

素因数の和:1930

約数の個数: 36

約数和(自身を含む): 4567752

約数和(自身を除く): 2698892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1907, 3814, 7628, 9535, 13349, 19070, 26698, 38140, 53396, 66745, 93443, 133490, 186886, 266980, 373772, 467215, 934430, 1868860]

約数ペア:

[(1, 1868860), (2, 934430), (4, 467215), (5, 373772), (7, 266980), (10, 186886), (14, 133490), (20, 93443), (28, 66745), (35, 53396), (49, 38140), (70, 26698), (98, 19070), (140, 13349), (196, 9535), (245, 7628), (490, 3814), (980, 1907)]