1289581610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 2452222080

約数和(自身を除く): 1162640470

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 193, 205, 215, 379, 386, 410, 430, 758, 965, 1763, 1895, 1930, 3526, 3790, 7913, 8299, 8815, 15539, 15826, 16297, 16598, 17630, 31078, 32594, 39565, 41495, 73147, 77695, 79130, 81485, 82990, 146294, 155390, 162970, 340259, 365735, 668177, 680518, 731470, 1336354, 1701295, 2999027, 3145321, 3340885, 3402590, 5998054, 6290642, 6681770, 14995135, 15726605, 29990270, 31453210, 128958161, 257916322, 644790805, 1289581610]

約数ペア:

[(1, 1289581610), (2, 644790805), (5, 257916322), (10, 128958161), (41, 31453210), (43, 29990270), (82, 15726605), (86, 14995135), (193, 6681770), (205, 6290642), (215, 5998054), (379, 3402590), (386, 3340885), (410, 3145321), (430, 2999027), (758, 1701295), (965, 1336354), (1763, 731470), (1895, 680518), (1930, 668177), (3526, 365735), (3790, 340259), (7913, 162970), (8299, 155390), (8815, 146294), (15539, 82990), (15826, 81485), (16297, 79130), (16598, 77695), (17630, 73147), (31078, 41495), (32594, 39565)]