328561940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{1879}}^1$

素因数の和:3144

約数の個数: 48

約数和(自身を含む): 789600000

約数和(自身を除く): 461038060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1249, 1879, 2498, 3758, 4996, 6245, 7516, 8743, 9395, 12490, 13153, 17486, 18790, 24980, 26306, 34972, 37580, 43715, 52612, 65765, 87430, 131530, 174860, 263060, 2346871, 4693742, 9387484, 11734355, 16428097, 23468710, 32856194, 46937420, 65712388, 82140485, 164280970, 328561940]

約数ペア:

[(1, 328561940), (2, 164280970), (4, 82140485), (5, 65712388), (7, 46937420), (10, 32856194), (14, 23468710), (20, 16428097), (28, 11734355), (35, 9387484), (70, 4693742), (140, 2346871), (1249, 263060), (1879, 174860), (2498, 131530), (3758, 87430), (4996, 65765), (6245, 52612), (7516, 43715), (8743, 37580), (9395, 34972), (12490, 26306), (13153, 24980), (17486, 18790)]