9030980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 21845376

約数和(自身を除く): 12814396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 257, 502, 514, 1004, 1028, 1255, 1285, 1757, 1799, 2510, 2570, 3514, 3598, 5020, 5140, 7028, 7196, 8785, 8995, 17570, 17990, 35140, 35980, 64507, 129014, 258028, 322535, 451549, 645070, 903098, 1290140, 1806196, 2257745, 4515490, 9030980]

約数ペア:

[(1, 9030980), (2, 4515490), (4, 2257745), (5, 1806196), (7, 1290140), (10, 903098), (14, 645070), (20, 451549), (28, 322535), (35, 258028), (70, 129014), (140, 64507), (251, 35980), (257, 35140), (502, 17990), (514, 17570), (1004, 8995), (1028, 8785), (1255, 7196), (1285, 7028), (1757, 5140), (1799, 5020), (2510, 3598), (2570, 3514)]