49311640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 130712400

約数和(自身を除く): 81400760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 139, 140, 181, 196, 245, 278, 280, 362, 392, 490, 556, 695, 724, 905, 973, 980, 1112, 1267, 1390, 1448, 1810, 1946, 1960, 2534, 2780, 3620, 3892, 4865, 5068, 5560, 6335, 6811, 7240, 7784, 8869, 9730, 10136, 12670, 13622, 17738, 19460, 25159, 25340, 27244, 34055, 35476, 38920, 44345, 50318, 50680, 54488, 68110, 70952, 88690, 100636, 125795, 136220, 176113, 177380, 201272, 251590, 272440, 352226, 354760, 503180, 704452, 880565, 1006360, 1232791, 1408904, 1761130, 2465582, 3522260, 4931164, 6163955, 7044520, 9862328, 12327910, 24655820, 49311640]

約数ペア:

[(1, 49311640), (2, 24655820), (4, 12327910), (5, 9862328), (7, 7044520), (8, 6163955), (10, 4931164), (14, 3522260), (20, 2465582), (28, 1761130), (35, 1408904), (40, 1232791), (49, 1006360), (56, 880565), (70, 704452), (98, 503180), (139, 354760), (140, 352226), (181, 272440), (196, 251590), (245, 201272), (278, 177380), (280, 176113), (362, 136220), (392, 125795), (490, 100636), (556, 88690), (695, 70952), (724, 68110), (905, 54488), (973, 50680), (980, 50318), (1112, 44345), (1267, 38920), (1390, 35476), (1448, 34055), (1810, 27244), (1946, 25340), (1960, 25159), (2534, 19460), (2780, 17738), (3620, 13622), (3892, 12670), (4865, 10136), (5068, 9730), (5560, 8869), (6335, 7784), (6811, 7240)]