210316370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 435891456

約数和(自身を除く): 225575086

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 97, 110, 115, 194, 230, 253, 485, 506, 857, 970, 1067, 1265, 1714, 2134, 2231, 2530, 4285, 4462, 5335, 8570, 9427, 10670, 11155, 18854, 19711, 22310, 24541, 39422, 47135, 49082, 83129, 94270, 98555, 122705, 166258, 197110, 216821, 245410, 415645, 433642, 831290, 914419, 1084105, 1828838, 1911967, 2168210, 3823934, 4572095, 9144190, 9559835, 19119670, 21031637, 42063274, 105158185, 210316370]

約数ペア:

[(1, 210316370), (2, 105158185), (5, 42063274), (10, 21031637), (11, 19119670), (22, 9559835), (23, 9144190), (46, 4572095), (55, 3823934), (97, 2168210), (110, 1911967), (115, 1828838), (194, 1084105), (230, 914419), (253, 831290), (485, 433642), (506, 415645), (857, 245410), (970, 216821), (1067, 197110), (1265, 166258), (1714, 122705), (2134, 98555), (2231, 94270), (2530, 83129), (4285, 49082), (4462, 47135), (5335, 39422), (8570, 24541), (9427, 22310), (10670, 19711), (11155, 18854)]