210897620

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 449100288

約数和(自身を除く): 238202668

約数列:

[1, 2, 4, 5, 10, 20, 167, 233, 271, 334, 466, 542, 668, 835, 932, 1084, 1165, 1355, 1670, 2330, 2710, 3340, 4660, 5420, 38911, 45257, 63143, 77822, 90514, 126286, 155644, 181028, 194555, 226285, 252572, 315715, 389110, 452570, 631430, 778220, 905140, 1262860, 10544881, 21089762, 42179524, 52724405, 105448810, 210897620]

約数ペア:

[(1, 210897620), (2, 105448810), (4, 52724405), (5, 42179524), (10, 21089762), (20, 10544881), (167, 1262860), (233, 905140), (271, 778220), (334, 631430), (466, 452570), (542, 389110), (668, 315715), (835, 252572), (932, 226285), (1084, 194555), (1165, 181028), (1355, 155644), (1670, 126286), (2330, 90514), (2710, 77822), (3340, 63143), (4660, 45257), (5420, 38911)]