168552820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 362154240

約数和(自身を除く): 193601420

約数列:

[1, 2, 4, 5, 10, 20, 79, 107, 158, 214, 316, 395, 428, 535, 790, 997, 1070, 1580, 1994, 2140, 3988, 4985, 8453, 9970, 16906, 19940, 33812, 42265, 78763, 84530, 106679, 157526, 169060, 213358, 315052, 393815, 426716, 533395, 787630, 1066790, 1575260, 2133580, 8427641, 16855282, 33710564, 42138205, 84276410, 168552820]

約数ペア:

[(1, 168552820), (2, 84276410), (4, 42138205), (5, 33710564), (10, 16855282), (20, 8427641), (79, 2133580), (107, 1575260), (158, 1066790), (214, 787630), (316, 533395), (395, 426716), (428, 393815), (535, 315052), (790, 213358), (997, 169060), (1070, 157526), (1580, 106679), (1994, 84530), (2140, 78763), (3988, 42265), (4985, 33812), (8453, 19940), (9970, 16906)]