77967820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79559}}^1$

素因数の和:79582

約数の個数: 36

約数和(自身を含む): 190466640

約数和(自身を除く): 112498820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 79559, 159118, 318236, 397795, 556913, 795590, 1113826, 1591180, 2227652, 2784565, 3898391, 5569130, 7796782, 11138260, 15593564, 19491955, 38983910, 77967820]

約数ペア:

[(1, 77967820), (2, 38983910), (4, 19491955), (5, 15593564), (7, 11138260), (10, 7796782), (14, 5569130), (20, 3898391), (28, 2784565), (35, 2227652), (49, 1591180), (70, 1113826), (98, 795590), (140, 556913), (196, 397795), (245, 318236), (490, 159118), (980, 79559)]