2047220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2089}}^1$

素因数の和:2112

約数の個数: 36

約数和(自身を含む): 5003460

約数和(自身を除く): 2956240

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2089, 4178, 8356, 10445, 14623, 20890, 29246, 41780, 58492, 73115, 102361, 146230, 204722, 292460, 409444, 511805, 1023610, 2047220]

約数ペア:

[(1, 2047220), (2, 1023610), (4, 511805), (5, 409444), (7, 292460), (10, 204722), (14, 146230), (20, 102361), (28, 73115), (35, 58492), (49, 41780), (70, 29246), (98, 20890), (140, 14623), (196, 10445), (245, 8356), (490, 4178), (980, 2089)]