164147620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90191}}^1$

素因数の和:90220

約数の個数: 48

約数和(自身を含む): 424263168

約数和(自身を除く): 260115548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 90191, 180382, 360764, 450955, 631337, 901910, 1172483, 1262674, 1803820, 2344966, 2525348, 3156685, 4689932, 5862415, 6313370, 8207381, 11724830, 12626740, 16414762, 23449660, 32829524, 41036905, 82073810, 164147620]

約数ペア:

[(1, 164147620), (2, 82073810), (4, 41036905), (5, 32829524), (7, 23449660), (10, 16414762), (13, 12626740), (14, 11724830), (20, 8207381), (26, 6313370), (28, 5862415), (35, 4689932), (52, 3156685), (65, 2525348), (70, 2344966), (91, 1803820), (130, 1262674), (140, 1172483), (182, 901910), (260, 631337), (364, 450955), (455, 360764), (910, 180382), (1820, 90191)]