68238340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{479}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 84171260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 419, 479, 838, 958, 1676, 1916, 2095, 2395, 4190, 4790, 7123, 8143, 8380, 9580, 14246, 16286, 28492, 32572, 35615, 40715, 71230, 81430, 142460, 162860, 200701, 401402, 802804, 1003505, 2007010, 3411917, 4014020, 6823834, 13647668, 17059585, 34119170, 68238340]

約数ペア:

[(1, 68238340), (2, 34119170), (4, 17059585), (5, 13647668), (10, 6823834), (17, 4014020), (20, 3411917), (34, 2007010), (68, 1003505), (85, 802804), (170, 401402), (340, 200701), (419, 162860), (479, 142460), (838, 81430), (958, 71230), (1676, 40715), (1916, 35615), (2095, 32572), (2395, 28492), (4190, 16286), (4790, 14246), (7123, 9580), (8143, 8380)]