139770820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6359}}^1$

素因数の和:6532

約数の個数: 48

約数和(自身を含む): 337639680

約数和(自身を除く): 197868860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 6359, 10990, 12718, 21980, 25436, 31795, 44513, 63590, 89026, 127180, 178052, 222565, 445130, 890260, 998363, 1996726, 3993452, 4991815, 6988541, 9983630, 13977082, 19967260, 27954164, 34942705, 69885410, 139770820]

約数ペア:

[(1, 139770820), (2, 69885410), (4, 34942705), (5, 27954164), (7, 19967260), (10, 13977082), (14, 9983630), (20, 6988541), (28, 4991815), (35, 3993452), (70, 1996726), (140, 998363), (157, 890260), (314, 445130), (628, 222565), (785, 178052), (1099, 127180), (1570, 89026), (2198, 63590), (3140, 44513), (4396, 31795), (5495, 25436), (6359, 21980), (10990, 12718)]