202153420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{206279}}^1$

素因数の和:206302

約数の個数: 36

約数和(自身を含む): 493834320

約数和(自身を除く): 291680900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 206279, 412558, 825116, 1031395, 1443953, 2062790, 2887906, 4125580, 5775812, 7219765, 10107671, 14439530, 20215342, 28879060, 40430684, 50538355, 101076710, 202153420]

約数ペア:

[(1, 202153420), (2, 101076710), (4, 50538355), (5, 40430684), (7, 28879060), (10, 20215342), (14, 14439530), (20, 10107671), (28, 7219765), (35, 5775812), (49, 4125580), (70, 2887906), (98, 2062790), (140, 1443953), (196, 1031395), (245, 825116), (490, 412558), (980, 206279)]