17404520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 45532800

約数和(自身を除く): 28128280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1019, 1220, 1708, 2038, 2135, 2440, 3416, 4076, 4270, 5095, 7133, 8152, 8540, 10190, 14266, 17080, 20380, 28532, 35665, 40760, 57064, 62159, 71330, 124318, 142660, 248636, 285320, 310795, 435113, 497272, 621590, 870226, 1243180, 1740452, 2175565, 2486360, 3480904, 4351130, 8702260, 17404520]

約数ペア:

[(1, 17404520), (2, 8702260), (4, 4351130), (5, 3480904), (7, 2486360), (8, 2175565), (10, 1740452), (14, 1243180), (20, 870226), (28, 621590), (35, 497272), (40, 435113), (56, 310795), (61, 285320), (70, 248636), (122, 142660), (140, 124318), (244, 71330), (280, 62159), (305, 57064), (427, 40760), (488, 35665), (610, 28532), (854, 20380), (1019, 17080), (1220, 14266), (1708, 10190), (2038, 8540), (2135, 8152), (2440, 7133), (3416, 5095), (4076, 4270)]