280865984

素因数分解:

$2^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13339}}^1$

素因数の和:13405

約数の個数: 56

約数和(自身を含む): 650565120

約数和(自身を除く): 369699136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 188, 224, 329, 376, 448, 658, 752, 1316, 1504, 2632, 3008, 5264, 10528, 13339, 21056, 26678, 53356, 93373, 106712, 186746, 213424, 373492, 426848, 626933, 746984, 853696, 1253866, 1493968, 2507732, 2987936, 4388531, 5015464, 5975872, 8777062, 10030928, 17554124, 20061856, 35108248, 40123712, 70216496, 140432992, 280865984]

約数ペア:

[(1, 280865984), (2, 140432992), (4, 70216496), (7, 40123712), (8, 35108248), (14, 20061856), (16, 17554124), (28, 10030928), (32, 8777062), (47, 5975872), (56, 5015464), (64, 4388531), (94, 2987936), (112, 2507732), (188, 1493968), (224, 1253866), (329, 853696), (376, 746984), (448, 626933), (658, 426848), (752, 373492), (1316, 213424), (1504, 186746), (2632, 106712), (3008, 93373), (5264, 53356), (10528, 26678), (13339, 21056)]