4462780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 10838016

約数和(自身を除く): 6375236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 251, 254, 502, 508, 635, 889, 1004, 1255, 1270, 1757, 1778, 2510, 2540, 3514, 3556, 4445, 5020, 7028, 8785, 8890, 17570, 17780, 31877, 35140, 63754, 127508, 159385, 223139, 318770, 446278, 637540, 892556, 1115695, 2231390, 4462780]

約数ペア:

[(1, 4462780), (2, 2231390), (4, 1115695), (5, 892556), (7, 637540), (10, 446278), (14, 318770), (20, 223139), (28, 159385), (35, 127508), (70, 63754), (127, 35140), (140, 31877), (251, 17780), (254, 17570), (502, 8890), (508, 8785), (635, 7028), (889, 5020), (1004, 4445), (1255, 3556), (1270, 3514), (1757, 2540), (1778, 2510)]