6804380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 15767136

約数和(自身を除く): 8962756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 197, 220, 314, 394, 628, 785, 788, 985, 1570, 1727, 1970, 2167, 3140, 3454, 3940, 4334, 6908, 8635, 8668, 10835, 17270, 21670, 30929, 34540, 43340, 61858, 123716, 154645, 309290, 340219, 618580, 680438, 1360876, 1701095, 3402190, 6804380]

約数ペア:

[(1, 6804380), (2, 3402190), (4, 1701095), (5, 1360876), (10, 680438), (11, 618580), (20, 340219), (22, 309290), (44, 154645), (55, 123716), (110, 61858), (157, 43340), (197, 34540), (220, 30929), (314, 21670), (394, 17270), (628, 10835), (785, 8668), (788, 8635), (985, 6908), (1570, 4334), (1727, 3940), (1970, 3454), (2167, 3140)]