315025852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 595758240

約数和(自身を除く): 280732388

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 197, 212, 394, 397, 788, 794, 1007, 1588, 2014, 3743, 4028, 7486, 7543, 10441, 14972, 15086, 20882, 21041, 30172, 41764, 42082, 78209, 84164, 156418, 198379, 312836, 396758, 399779, 793516, 799558, 1485971, 1599116, 2971942, 4145077, 5943884, 8290154, 16580308, 78756463, 157512926, 315025852]

約数ペア:

[(1, 315025852), (2, 157512926), (4, 78756463), (19, 16580308), (38, 8290154), (53, 5943884), (76, 4145077), (106, 2971942), (197, 1599116), (212, 1485971), (394, 799558), (397, 793516), (788, 399779), (794, 396758), (1007, 312836), (1588, 198379), (2014, 156418), (3743, 84164), (4028, 78209), (7486, 42082), (7543, 41764), (10441, 30172), (14972, 21041), (15086, 20882)]