127637860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5807}}^1$

素因数の和:5980

約数の個数: 48

約数和(自身を含む): 308335104

約数和(自身を除く): 180697244

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, 5807, 10990, 11614, 21980, 23228, 29035, 40649, 58070, 81298, 116140, 162596, 203245, 406490, 812980, 911699, 1823398, 3646796, 4558495, 6381893, 9116990, 12763786, 18233980, 25527572, 31909465, 63818930, 127637860]

約数ペア:

[(1, 127637860), (2, 63818930), (4, 31909465), (5, 25527572), (7, 18233980), (10, 12763786), (14, 9116990), (20, 6381893), (28, 4558495), (35, 3646796), (70, 1823398), (140, 911699), (157, 812980), (314, 406490), (628, 203245), (785, 162596), (1099, 116140), (1570, 81298), (2198, 58070), (3140, 40649), (4396, 29035), (5495, 23228), (5807, 21980), (10990, 11614)]