172904270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{521}}^1$

素因数の和:977

約数の個数: 64

約数和(自身を含む): 389670912

約数和(自身を除く): 216766642

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 431, 521, 770, 862, 1042, 2155, 2605, 3017, 3647, 4310, 4741, 5210, 5731, 6034, 7294, 9482, 11462, 15085, 18235, 23705, 28655, 30170, 33187, 36470, 40117, 47410, 57310, 66374, 80234, 165935, 200585, 224551, 331870, 401170, 449102, 1122755, 1571857, 2245510, 2470061, 3143714, 4940122, 7859285, 12350305, 15718570, 17290427, 24700610, 34580854, 86452135, 172904270]

約数ペア:

[(1, 172904270), (2, 86452135), (5, 34580854), (7, 24700610), (10, 17290427), (11, 15718570), (14, 12350305), (22, 7859285), (35, 4940122), (55, 3143714), (70, 2470061), (77, 2245510), (110, 1571857), (154, 1122755), (385, 449102), (431, 401170), (521, 331870), (770, 224551), (862, 200585), (1042, 165935), (2155, 80234), (2605, 66374), (3017, 57310), (3647, 47410), (4310, 40117), (4741, 36470), (5210, 33187), (5731, 30170), (6034, 28655), (7294, 23705), (9482, 18235), (11462, 15085)]