128572220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6607}}^1$

素因数の和:6762

約数の個数: 48

約数和(自身を含む): 310840320

約数和(自身を除く): 182268100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 6607, 9730, 13214, 19460, 26428, 33035, 46249, 66070, 92498, 132140, 184996, 231245, 462490, 918373, 924980, 1836746, 3673492, 4591865, 6428611, 9183730, 12857222, 18367460, 25714444, 32143055, 64286110, 128572220]

約数ペア:

[(1, 128572220), (2, 64286110), (4, 32143055), (5, 25714444), (7, 18367460), (10, 12857222), (14, 9183730), (20, 6428611), (28, 4591865), (35, 3673492), (70, 1836746), (139, 924980), (140, 918373), (278, 462490), (556, 231245), (695, 184996), (973, 132140), (1390, 92498), (1946, 66070), (2780, 46249), (3892, 33035), (4865, 26428), (6607, 19460), (9730, 13214)]