431268190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{1151}}^1$

素因数の和:1668

約数の個数: 32

約数和(自身を含む): 787553280

約数和(自身を除く): 356285090

約数列:

[1, 2, 5, 10, 89, 178, 421, 445, 842, 890, 1151, 2105, 2302, 4210, 5755, 11510, 37469, 74938, 102439, 187345, 204878, 374690, 484571, 512195, 969142, 1024390, 2422855, 4845710, 43126819, 86253638, 215634095, 431268190]

約数ペア:

[(1, 431268190), (2, 215634095), (5, 86253638), (10, 43126819), (89, 4845710), (178, 2422855), (421, 1024390), (445, 969142), (842, 512195), (890, 484571), (1151, 374690), (2105, 204878), (2302, 187345), (4210, 102439), (5755, 74938), (11510, 37469)]