399164570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 837008640

約数和(自身を除く): 437844070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 137, 214, 274, 389, 535, 685, 749, 778, 959, 1070, 1370, 1498, 1918, 1945, 2723, 3745, 3890, 4795, 5446, 7490, 9590, 13615, 14659, 27230, 29318, 41623, 53293, 73295, 83246, 102613, 106586, 146590, 205226, 208115, 266465, 291361, 373051, 416230, 513065, 532930, 582722, 746102, 1026130, 1456805, 1865255, 2913610, 3730510, 5702351, 11404702, 28511755, 39916457, 57023510, 79832914, 199582285, 399164570]

約数ペア:

[(1, 399164570), (2, 199582285), (5, 79832914), (7, 57023510), (10, 39916457), (14, 28511755), (35, 11404702), (70, 5702351), (107, 3730510), (137, 2913610), (214, 1865255), (274, 1456805), (389, 1026130), (535, 746102), (685, 582722), (749, 532930), (778, 513065), (959, 416230), (1070, 373051), (1370, 291361), (1498, 266465), (1918, 208115), (1945, 205226), (2723, 146590), (3745, 106586), (3890, 102613), (4795, 83246), (5446, 73295), (7490, 53293), (9590, 41623), (13615, 29318), (14659, 27230)]