205707568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1106

約数の個数: 80

約数和(自身を含む): 461399040

約数和(自身を除く): 255691472

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 37, 44, 62, 74, 88, 124, 148, 176, 248, 296, 341, 407, 496, 592, 682, 814, 1019, 1147, 1364, 1628, 2038, 2294, 2728, 3256, 4076, 4588, 5456, 6512, 8152, 9176, 11209, 12617, 16304, 18352, 22418, 25234, 31589, 37703, 44836, 50468, 63178, 75406, 89672, 100936, 126356, 150812, 179344, 201872, 252712, 301624, 347479, 414733, 505424, 603248, 694958, 829466, 1168793, 1389916, 1658932, 2337586, 2779832, 3317864, 4675172, 5559664, 6635728, 9350344, 12856723, 18700688, 25713446, 51426892, 102853784, 205707568]

約数ペア:

[(1, 205707568), (2, 102853784), (4, 51426892), (8, 25713446), (11, 18700688), (16, 12856723), (22, 9350344), (31, 6635728), (37, 5559664), (44, 4675172), (62, 3317864), (74, 2779832), (88, 2337586), (124, 1658932), (148, 1389916), (176, 1168793), (248, 829466), (296, 694958), (341, 603248), (407, 505424), (496, 414733), (592, 347479), (682, 301624), (814, 252712), (1019, 201872), (1147, 179344), (1364, 150812), (1628, 126356), (2038, 100936), (2294, 89672), (2728, 75406), (3256, 63178), (4076, 50468), (4588, 44836), (5456, 37703), (6512, 31589), (8152, 25234), (9176, 22418), (11209, 18352), (12617, 16304)]