42306040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 109670400

約数和(自身を除く): 67364360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1087, 1112, 1390, 1946, 2174, 2780, 3892, 4348, 4865, 5435, 5560, 7609, 7784, 8696, 9730, 10870, 15218, 19460, 21740, 30436, 38045, 38920, 43480, 60872, 76090, 151093, 152180, 302186, 304360, 604372, 755465, 1057651, 1208744, 1510930, 2115302, 3021860, 4230604, 5288255, 6043720, 8461208, 10576510, 21153020, 42306040]

約数ペア:

[(1, 42306040), (2, 21153020), (4, 10576510), (5, 8461208), (7, 6043720), (8, 5288255), (10, 4230604), (14, 3021860), (20, 2115302), (28, 1510930), (35, 1208744), (40, 1057651), (56, 755465), (70, 604372), (139, 304360), (140, 302186), (278, 152180), (280, 151093), (556, 76090), (695, 60872), (973, 43480), (1087, 38920), (1112, 38045), (1390, 30436), (1946, 21740), (2174, 19460), (2780, 15218), (3892, 10870), (4348, 9730), (4865, 8696), (5435, 7784), (5560, 7609)]