290735272

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{25903}}^1$

素因数の和:25993

約数の個数: 32

約数和(自身を含む): 578177280

約数和(自身を除く): 287442008

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 2806, 5612, 11224, 25903, 51806, 103612, 207224, 595769, 1191538, 1580083, 2383076, 3160166, 4766152, 6320332, 12640664, 36341909, 72683818, 145367636, 290735272]

約数ペア:

[(1, 290735272), (2, 145367636), (4, 72683818), (8, 36341909), (23, 12640664), (46, 6320332), (61, 4766152), (92, 3160166), (122, 2383076), (184, 1580083), (244, 1191538), (488, 595769), (1403, 207224), (2806, 103612), (5612, 51806), (11224, 25903)]