81179071490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{77839}}^1$

素因数の和:78375

約数の個数: 64

約数和(自身を含む): 168134400000

約数和(自身を除く): 86955328510

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 499, 998, 1045, 2090, 2495, 4990, 5489, 9481, 10978, 18962, 27445, 47405, 54890, 77839, 94810, 104291, 155678, 208582, 389195, 521455, 778390, 856229, 1042910, 1478941, 1712458, 2957882, 4281145, 7394705, 8562290, 14789410, 16268351, 32536702, 38841661, 77683322, 81341755, 162683510, 194208305, 388416610, 427258271, 737991559, 854516542, 1475983118, 2136291355, 3689957795, 4272582710, 7379915590, 8117907149, 16235814298, 40589535745, 81179071490]

約数ペア:

[(1, 81179071490), (2, 40589535745), (5, 16235814298), (10, 8117907149), (11, 7379915590), (19, 4272582710), (22, 3689957795), (38, 2136291355), (55, 1475983118), (95, 854516542), (110, 737991559), (190, 427258271), (209, 388416610), (418, 194208305), (499, 162683510), (998, 81341755), (1045, 77683322), (2090, 38841661), (2495, 32536702), (4990, 16268351), (5489, 14789410), (9481, 8562290), (10978, 7394705), (18962, 4281145), (27445, 2957882), (47405, 1712458), (54890, 1478941), (77839, 1042910), (94810, 856229), (104291, 778390), (155678, 521455), (208582, 389195)]