870013870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{937}}^1$

素因数の和:1345

約数の個数: 64

約数和(自身を含む): 1789433856

約数和(自身を除く): 919419986

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 367, 506, 734, 937, 1265, 1835, 1874, 2530, 3670, 4037, 4685, 8074, 8441, 9370, 10307, 16882, 20185, 20614, 21551, 40370, 42205, 43102, 51535, 84410, 92851, 103070, 107755, 185702, 215510, 237061, 343879, 464255, 474122, 687758, 928510, 1185305, 1719395, 2370610, 3438790, 3782669, 7565338, 7909217, 15818434, 18913345, 37826690, 39546085, 79092170, 87001387, 174002774, 435006935, 870013870]

約数ペア:

[(1, 870013870), (2, 435006935), (5, 174002774), (10, 87001387), (11, 79092170), (22, 39546085), (23, 37826690), (46, 18913345), (55, 15818434), (110, 7909217), (115, 7565338), (230, 3782669), (253, 3438790), (367, 2370610), (506, 1719395), (734, 1185305), (937, 928510), (1265, 687758), (1835, 474122), (1874, 464255), (2530, 343879), (3670, 237061), (4037, 215510), (4685, 185702), (8074, 107755), (8441, 103070), (9370, 92851), (10307, 84410), (16882, 51535), (20185, 43102), (20614, 42205), (21551, 40370)]