42286780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 94056480

約数和(自身を除く): 51769700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 257, 380, 433, 514, 866, 1028, 1285, 1732, 2165, 2570, 4330, 4883, 5140, 8227, 8660, 9766, 16454, 19532, 24415, 32908, 41135, 48830, 82270, 97660, 111281, 164540, 222562, 445124, 556405, 1112810, 2114339, 2225620, 4228678, 8457356, 10571695, 21143390, 42286780]

約数ペア:

[(1, 42286780), (2, 21143390), (4, 10571695), (5, 8457356), (10, 4228678), (19, 2225620), (20, 2114339), (38, 1112810), (76, 556405), (95, 445124), (190, 222562), (257, 164540), (380, 111281), (433, 97660), (514, 82270), (866, 48830), (1028, 41135), (1285, 32908), (1732, 24415), (2165, 19532), (2570, 16454), (4330, 9766), (4883, 8660), (5140, 8227)]