85857140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{677}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 191700432

約数和(自身を除く): 105843292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 373, 677, 746, 1354, 1492, 1865, 2708, 3385, 3730, 6341, 6770, 7460, 11509, 12682, 13540, 23018, 25364, 31705, 46036, 57545, 63410, 115090, 126820, 230180, 252521, 505042, 1010084, 1262605, 2525210, 4292857, 5050420, 8585714, 17171428, 21464285, 42928570, 85857140]

約数ペア:

[(1, 85857140), (2, 42928570), (4, 21464285), (5, 17171428), (10, 8585714), (17, 5050420), (20, 4292857), (34, 2525210), (68, 1262605), (85, 1010084), (170, 505042), (340, 252521), (373, 230180), (677, 126820), (746, 115090), (1354, 63410), (1492, 57545), (1865, 46036), (2708, 31705), (3385, 25364), (3730, 23018), (6341, 13540), (6770, 12682), (7460, 11509)]