201324340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205433}}^1$

素因数の和:205456

約数の個数: 36

約数和(自身を含む): 491808996

約数和(自身を除く): 290484656

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205433, 410866, 821732, 1027165, 1438031, 2054330, 2876062, 4108660, 5752124, 7190155, 10066217, 14380310, 20132434, 28760620, 40264868, 50331085, 100662170, 201324340]

約数ペア:

[(1, 201324340), (2, 100662170), (4, 50331085), (5, 40264868), (7, 28760620), (10, 20132434), (14, 14380310), (20, 10066217), (28, 7190155), (35, 5752124), (49, 4108660), (70, 2876062), (98, 2054330), (140, 1438031), (196, 1027165), (245, 821732), (490, 410866), (980, 205433)]