211956570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{839}}^1$

素因数の和:1260

約数の個数: 96

約数和(自身を含む): 632136960

約数和(自身を除く): 420180390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 401, 630, 802, 839, 1203, 1678, 2005, 2406, 2517, 2807, 3609, 4010, 4195, 5034, 5614, 5873, 6015, 7218, 7551, 8390, 8421, 11746, 12030, 12585, 14035, 15102, 16842, 17619, 18045, 25170, 25263, 28070, 29365, 35238, 36090, 37755, 42105, 50526, 52857, 58730, 75510, 84210, 88095, 105714, 126315, 176190, 252630, 264285, 336439, 528570, 672878, 1009317, 1682195, 2018634, 2355073, 3027951, 3364390, 4710146, 5046585, 6055902, 7065219, 10093170, 11775365, 14130438, 15139755, 21195657, 23550730, 30279510, 35326095, 42391314, 70652190, 105978285, 211956570]

約数ペア:

[(1, 211956570), (2, 105978285), (3, 70652190), (5, 42391314), (6, 35326095), (7, 30279510), (9, 23550730), (10, 21195657), (14, 15139755), (15, 14130438), (18, 11775365), (21, 10093170), (30, 7065219), (35, 6055902), (42, 5046585), (45, 4710146), (63, 3364390), (70, 3027951), (90, 2355073), (105, 2018634), (126, 1682195), (210, 1009317), (315, 672878), (401, 528570), (630, 336439), (802, 264285), (839, 252630), (1203, 176190), (1678, 126315), (2005, 105714), (2406, 88095), (2517, 84210), (2807, 75510), (3609, 58730), (4010, 52857), (4195, 50526), (5034, 42105), (5614, 37755), (5873, 36090), (6015, 35238), (7218, 29365), (7551, 28070), (8390, 25263), (8421, 25170), (11746, 18045), (12030, 17619), (12585, 16842), (14035, 15102)]