537847820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{5639}}^1$

素因数の和:5918

約数の個数: 48

約数和(自身を含む): 1193875200

約数和(自身を除く): 656027380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 251, 380, 502, 1004, 1255, 2510, 4769, 5020, 5639, 9538, 11278, 19076, 22556, 23845, 28195, 47690, 56390, 95380, 107141, 112780, 214282, 428564, 535705, 1071410, 1415389, 2142820, 2830778, 5661556, 7076945, 14153890, 26892391, 28307780, 53784782, 107569564, 134461955, 268923910, 537847820]

約数ペア:

[(1, 537847820), (2, 268923910), (4, 134461955), (5, 107569564), (10, 53784782), (19, 28307780), (20, 26892391), (38, 14153890), (76, 7076945), (95, 5661556), (190, 2830778), (251, 2142820), (380, 1415389), (502, 1071410), (1004, 535705), (1255, 428564), (2510, 214282), (4769, 112780), (5020, 107141), (5639, 95380), (9538, 56390), (11278, 47690), (19076, 28195), (22556, 23845)]