256394710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{929}}^1$

素因数の和:1153

約数の個数: 64

約数和(自身を含む): 545590080

約数和(自身を除く): 289195370

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 193, 286, 386, 715, 929, 965, 1430, 1858, 1930, 2123, 2509, 4246, 4645, 5018, 9290, 10219, 10615, 12077, 12545, 20438, 21230, 24154, 25090, 27599, 51095, 55198, 60385, 102190, 120770, 132847, 137995, 179297, 265694, 275990, 358594, 664235, 896485, 1328470, 1792970, 1972267, 2330861, 3944534, 4661722, 9861335, 11654305, 19722670, 23308610, 25639471, 51278942, 128197355, 256394710]

約数ペア:

[(1, 256394710), (2, 128197355), (5, 51278942), (10, 25639471), (11, 23308610), (13, 19722670), (22, 11654305), (26, 9861335), (55, 4661722), (65, 3944534), (110, 2330861), (130, 1972267), (143, 1792970), (193, 1328470), (286, 896485), (386, 664235), (715, 358594), (929, 275990), (965, 265694), (1430, 179297), (1858, 137995), (1930, 132847), (2123, 120770), (2509, 102190), (4246, 60385), (4645, 55198), (5018, 51095), (9290, 27599), (10219, 25090), (10615, 24154), (12077, 21230), (12545, 20438)]