172512860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1213}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 391179936

約数和(自身を除く): 218667076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 547, 1094, 1213, 2188, 2426, 2735, 4852, 5470, 6065, 7111, 10940, 12130, 14222, 15769, 24260, 28444, 31538, 35555, 63076, 71110, 78845, 142220, 157690, 315380, 663511, 1327022, 2654044, 3317555, 6635110, 8625643, 13270220, 17251286, 34502572, 43128215, 86256430, 172512860]

約数ペア:

[(1, 172512860), (2, 86256430), (4, 43128215), (5, 34502572), (10, 17251286), (13, 13270220), (20, 8625643), (26, 6635110), (52, 3317555), (65, 2654044), (130, 1327022), (260, 663511), (547, 315380), (1094, 157690), (1213, 142220), (2188, 78845), (2426, 71110), (2735, 63076), (4852, 35555), (5470, 31538), (6065, 28444), (7111, 24260), (10940, 15769), (12130, 14222)]