204022840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2903}}^1$

素因数の和:3172

約数の個数: 64

約数和(自身を含む): 526901760

約数和(自身を除く): 322878920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 251, 280, 502, 1004, 1255, 1757, 2008, 2510, 2903, 3514, 5020, 5806, 7028, 8785, 10040, 11612, 14056, 14515, 17570, 20321, 23224, 29030, 35140, 40642, 58060, 70280, 81284, 101605, 116120, 162568, 203210, 406420, 728653, 812840, 1457306, 2914612, 3643265, 5100571, 5829224, 7286530, 10201142, 14573060, 20402284, 25502855, 29146120, 40804568, 51005710, 102011420, 204022840]

約数ペア:

[(1, 204022840), (2, 102011420), (4, 51005710), (5, 40804568), (7, 29146120), (8, 25502855), (10, 20402284), (14, 14573060), (20, 10201142), (28, 7286530), (35, 5829224), (40, 5100571), (56, 3643265), (70, 2914612), (140, 1457306), (251, 812840), (280, 728653), (502, 406420), (1004, 203210), (1255, 162568), (1757, 116120), (2008, 101605), (2510, 81284), (2903, 70280), (3514, 58060), (5020, 40642), (5806, 35140), (7028, 29030), (8785, 23224), (10040, 20321), (11612, 17570), (14056, 14515)]