65222780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1249}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 157080000

約数和(自身を除く): 91857220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 746, 1249, 1492, 1865, 2498, 2611, 3730, 4996, 5222, 6245, 7460, 8743, 10444, 12490, 13055, 17486, 24980, 26110, 34972, 43715, 52220, 87430, 174860, 465877, 931754, 1863508, 2329385, 3261139, 4658770, 6522278, 9317540, 13044556, 16305695, 32611390, 65222780]

約数ペア:

[(1, 65222780), (2, 32611390), (4, 16305695), (5, 13044556), (7, 9317540), (10, 6522278), (14, 4658770), (20, 3261139), (28, 2329385), (35, 1863508), (70, 931754), (140, 465877), (373, 174860), (746, 87430), (1249, 52220), (1492, 43715), (1865, 34972), (2498, 26110), (2611, 24980), (3730, 17486), (4996, 13055), (5222, 12490), (6245, 10444), (7460, 8743)]