39185720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 101304000

約数和(自身を除く): 62118280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 401, 698, 802, 1396, 1604, 1745, 2005, 2443, 2792, 2807, 3208, 3490, 4010, 4886, 5614, 6980, 8020, 9772, 11228, 12215, 13960, 14035, 16040, 19544, 22456, 24430, 28070, 48860, 56140, 97720, 112280, 139949, 279898, 559796, 699745, 979643, 1119592, 1399490, 1959286, 2798980, 3918572, 4898215, 5597960, 7837144, 9796430, 19592860, 39185720]

約数ペア:

[(1, 39185720), (2, 19592860), (4, 9796430), (5, 7837144), (7, 5597960), (8, 4898215), (10, 3918572), (14, 2798980), (20, 1959286), (28, 1399490), (35, 1119592), (40, 979643), (56, 699745), (70, 559796), (140, 279898), (280, 139949), (349, 112280), (401, 97720), (698, 56140), (802, 48860), (1396, 28070), (1604, 24430), (1745, 22456), (2005, 19544), (2443, 16040), (2792, 14035), (2807, 13960), (3208, 12215), (3490, 11228), (4010, 9772), (4886, 8020), (5614, 6980)]