210801910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1$

素因数の和:1189

約数の個数: 64

約数和(自身を含む): 434294784

約数和(自身を除く): 223492874

約数列:

[1, 2, 5, 10, 11, 22, 41, 43, 55, 82, 86, 110, 205, 215, 410, 430, 451, 473, 902, 946, 1087, 1763, 2174, 2255, 2365, 3526, 4510, 4730, 5435, 8815, 10870, 11957, 17630, 19393, 23914, 38786, 44567, 46741, 59785, 89134, 93482, 96965, 119570, 193930, 222835, 233705, 445670, 467410, 490237, 514151, 980474, 1028302, 1916381, 2451185, 2570755, 3832762, 4902370, 5141510, 9581905, 19163810, 21080191, 42160382, 105400955, 210801910]

約数ペア:

[(1, 210801910), (2, 105400955), (5, 42160382), (10, 21080191), (11, 19163810), (22, 9581905), (41, 5141510), (43, 4902370), (55, 3832762), (82, 2570755), (86, 2451185), (110, 1916381), (205, 1028302), (215, 980474), (410, 514151), (430, 490237), (451, 467410), (473, 445670), (902, 233705), (946, 222835), (1087, 193930), (1763, 119570), (2174, 96965), (2255, 93482), (2365, 89134), (3526, 59785), (4510, 46741), (4730, 44567), (5435, 38786), (8815, 23914), (10870, 19393), (11957, 17630)]