140976440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{320401}}^1$

素因数の和:320423

約数の個数: 32

約数和(自身を含む): 346034160

約数和(自身を除く): 205057720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 320401, 640802, 1281604, 1602005, 2563208, 3204010, 3524411, 6408020, 7048822, 12816040, 14097644, 17622055, 28195288, 35244110, 70488220, 140976440]

約数ペア:

[(1, 140976440), (2, 70488220), (4, 35244110), (5, 28195288), (8, 17622055), (10, 14097644), (11, 12816040), (20, 7048822), (22, 6408020), (40, 3524411), (44, 3204010), (55, 2563208), (88, 1602005), (110, 1281604), (220, 640802), (440, 320401)]