261352220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1827

約数の個数: 96

約数和(自身を含む): 638668800

約数和(自身を除く): 377316580

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 23, 34, 38, 46, 68, 76, 85, 92, 95, 115, 170, 190, 230, 323, 340, 380, 391, 437, 460, 646, 782, 874, 1292, 1564, 1615, 1748, 1759, 1955, 2185, 3230, 3518, 3910, 4370, 6460, 7036, 7429, 7820, 8740, 8795, 14858, 17590, 29716, 29903, 33421, 35180, 37145, 40457, 59806, 66842, 74290, 80914, 119612, 133684, 148580, 149515, 161828, 167105, 202285, 299030, 334210, 404570, 568157, 598060, 668420, 687769, 768683, 809140, 1136314, 1375538, 1537366, 2272628, 2751076, 2840785, 3074732, 3438845, 3843415, 5681570, 6877690, 7686830, 11363140, 13067611, 13755380, 15373660, 26135222, 52270444, 65338055, 130676110, 261352220]

約数ペア:

[(1, 261352220), (2, 130676110), (4, 65338055), (5, 52270444), (10, 26135222), (17, 15373660), (19, 13755380), (20, 13067611), (23, 11363140), (34, 7686830), (38, 6877690), (46, 5681570), (68, 3843415), (76, 3438845), (85, 3074732), (92, 2840785), (95, 2751076), (115, 2272628), (170, 1537366), (190, 1375538), (230, 1136314), (323, 809140), (340, 768683), (380, 687769), (391, 668420), (437, 598060), (460, 568157), (646, 404570), (782, 334210), (874, 299030), (1292, 202285), (1564, 167105), (1615, 161828), (1748, 149515), (1759, 148580), (1955, 133684), (2185, 119612), (3230, 80914), (3518, 74290), (3910, 66842), (4370, 59806), (6460, 40457), (7036, 37145), (7429, 35180), (7820, 33421), (8740, 29903), (8795, 29716), (14858, 17590)]