208298420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5231}}^1$

素因数の和:5432

約数の個数: 48

約数和(自身を含む): 479920896

約数和(自身を除く): 271622476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 3620, 3982, 5231, 7964, 9955, 10462, 19910, 20924, 26155, 39820, 52310, 57541, 104620, 115082, 230164, 287705, 575410, 946811, 1150820, 1893622, 3787244, 4734055, 9468110, 10414921, 18936220, 20829842, 41659684, 52074605, 104149210, 208298420]

約数ペア:

[(1, 208298420), (2, 104149210), (4, 52074605), (5, 41659684), (10, 20829842), (11, 18936220), (20, 10414921), (22, 9468110), (44, 4734055), (55, 3787244), (110, 1893622), (181, 1150820), (220, 946811), (362, 575410), (724, 287705), (905, 230164), (1810, 115082), (1991, 104620), (3620, 57541), (3982, 52310), (5231, 39820), (7964, 26155), (9955, 20924), (10462, 19910)]