140578256

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1061}}^1$

素因数の和:1109

約数の個数: 90

約数和(自身を含む): 343409382

約数和(自身を除く): 202831126

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 169, 182, 196, 208, 338, 364, 392, 637, 676, 728, 784, 1061, 1183, 1274, 1352, 1456, 2122, 2366, 2548, 2704, 4244, 4732, 5096, 7427, 8281, 8488, 9464, 10192, 13793, 14854, 16562, 16976, 18928, 27586, 29708, 33124, 51989, 55172, 59416, 66248, 96551, 103978, 110344, 118832, 132496, 179309, 193102, 207956, 220688, 358618, 386204, 415912, 675857, 717236, 772408, 831824, 1255163, 1351714, 1434472, 1544816, 2510326, 2703428, 2868944, 5020652, 5406856, 8786141, 10041304, 10813712, 17572282, 20082608, 35144564, 70289128, 140578256]

約数ペア:

[(1, 140578256), (2, 70289128), (4, 35144564), (7, 20082608), (8, 17572282), (13, 10813712), (14, 10041304), (16, 8786141), (26, 5406856), (28, 5020652), (49, 2868944), (52, 2703428), (56, 2510326), (91, 1544816), (98, 1434472), (104, 1351714), (112, 1255163), (169, 831824), (182, 772408), (196, 717236), (208, 675857), (338, 415912), (364, 386204), (392, 358618), (637, 220688), (676, 207956), (728, 193102), (784, 179309), (1061, 132496), (1183, 118832), (1274, 110344), (1352, 103978), (1456, 96551), (2122, 66248), (2366, 59416), (2548, 55172), (2704, 51989), (4244, 33124), (4732, 29708), (5096, 27586), (7427, 18928), (8281, 16976), (8488, 16562), (9464, 14854), (10192, 13793)]