211438890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 618105600

約数和(自身を除く): 406666710

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 59, 65, 78, 90, 117, 118, 130, 135, 177, 195, 234, 270, 295, 351, 354, 390, 531, 585, 590, 702, 767, 885, 1021, 1062, 1170, 1534, 1593, 1755, 1770, 2042, 2301, 2655, 3063, 3186, 3510, 3835, 4602, 5105, 5310, 6126, 6903, 7670, 7965, 9189, 10210, 11505, 13273, 13806, 15315, 15930, 18378, 20709, 23010, 26546, 27567, 30630, 34515, 39819, 41418, 45945, 55134, 60239, 66365, 69030, 79638, 91890, 103545, 119457, 120478, 132730, 137835, 180717, 199095, 207090, 238914, 275670, 301195, 358371, 361434, 398190, 542151, 597285, 602390, 716742, 783107, 903585, 1084302, 1194570, 1566214, 1626453, 1791855, 1807170, 2349321, 2710755, 3252906, 3583710, 3915535, 4698642, 5421510, 7047963, 7831070, 8132265, 11746605, 14095926, 16264530, 21143889, 23493210, 35239815, 42287778, 70479630, 105719445, 211438890]

約数ペア:

[(1, 211438890), (2, 105719445), (3, 70479630), (5, 42287778), (6, 35239815), (9, 23493210), (10, 21143889), (13, 16264530), (15, 14095926), (18, 11746605), (26, 8132265), (27, 7831070), (30, 7047963), (39, 5421510), (45, 4698642), (54, 3915535), (59, 3583710), (65, 3252906), (78, 2710755), (90, 2349321), (117, 1807170), (118, 1791855), (130, 1626453), (135, 1566214), (177, 1194570), (195, 1084302), (234, 903585), (270, 783107), (295, 716742), (351, 602390), (354, 597285), (390, 542151), (531, 398190), (585, 361434), (590, 358371), (702, 301195), (767, 275670), (885, 238914), (1021, 207090), (1062, 199095), (1170, 180717), (1534, 137835), (1593, 132730), (1755, 120478), (1770, 119457), (2042, 103545), (2301, 91890), (2655, 79638), (3063, 69030), (3186, 66365), (3510, 60239), (3835, 55134), (4602, 45945), (5105, 41418), (5310, 39819), (6126, 34515), (6903, 30630), (7670, 27567), (7965, 26546), (9189, 23010), (10210, 20709), (11505, 18378), (13273, 15930), (13806, 15315)]