20153000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2879}}^1$

素因数の和:2907

約数の個数: 64

約数和(自身を含む): 53913600

約数和(自身を除く): 33760600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 2879, 3500, 5758, 7000, 11516, 14395, 20153, 23032, 28790, 40306, 57580, 71975, 80612, 100765, 115160, 143950, 161224, 201530, 287900, 359875, 403060, 503825, 575800, 719750, 806120, 1007650, 1439500, 2015300, 2519125, 2879000, 4030600, 5038250, 10076500, 20153000]

約数ペア:

[(1, 20153000), (2, 10076500), (4, 5038250), (5, 4030600), (7, 2879000), (8, 2519125), (10, 2015300), (14, 1439500), (20, 1007650), (25, 806120), (28, 719750), (35, 575800), (40, 503825), (50, 403060), (56, 359875), (70, 287900), (100, 201530), (125, 161224), (140, 143950), (175, 115160), (200, 100765), (250, 80612), (280, 71975), (350, 57580), (500, 40306), (700, 28790), (875, 23032), (1000, 20153), (1400, 14395), (1750, 11516), (2879, 7000), (3500, 5758)]