870827210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1019}}^1$

素因数の和:1511

約数の個数: 64

約数和(自身を含む): 1816318080

約数和(自身を除く): 945490870

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 457, 914, 935, 1019, 1870, 2038, 2285, 4570, 5027, 5095, 7769, 10054, 10190, 11209, 15538, 17323, 22418, 25135, 34646, 38845, 50270, 56045, 77690, 85459, 86615, 112090, 170918, 173230, 190553, 381106, 427295, 465683, 854590, 931366, 952765, 1905530, 2328415, 4656830, 5122513, 7916611, 10245026, 15833222, 25612565, 39583055, 51225130, 79166110, 87082721, 174165442, 435413605, 870827210]

約数ペア:

[(1, 870827210), (2, 435413605), (5, 174165442), (10, 87082721), (11, 79166110), (17, 51225130), (22, 39583055), (34, 25612565), (55, 15833222), (85, 10245026), (110, 7916611), (170, 5122513), (187, 4656830), (374, 2328415), (457, 1905530), (914, 952765), (935, 931366), (1019, 854590), (1870, 465683), (2038, 427295), (2285, 381106), (4570, 190553), (5027, 173230), (5095, 170918), (7769, 112090), (10054, 86615), (10190, 85459), (11209, 77690), (15538, 56045), (17323, 50270), (22418, 38845), (25135, 34646)]