40821340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1931}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 98671104

約数和(自身を除く): 57849764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 1931, 2114, 3020, 3862, 4228, 5285, 7724, 9655, 10570, 13517, 19310, 21140, 27034, 38620, 54068, 67585, 135170, 270340, 291581, 583162, 1166324, 1457905, 2041067, 2915810, 4082134, 5831620, 8164268, 10205335, 20410670, 40821340]

約数ペア:

[(1, 40821340), (2, 20410670), (4, 10205335), (5, 8164268), (7, 5831620), (10, 4082134), (14, 2915810), (20, 2041067), (28, 1457905), (35, 1166324), (70, 583162), (140, 291581), (151, 270340), (302, 135170), (604, 67585), (755, 54068), (1057, 38620), (1510, 27034), (1931, 21140), (2114, 19310), (3020, 13517), (3862, 10570), (4228, 9655), (5285, 7724)]