1780908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 4475520

約数和(自身を除く): 2694612

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 107, 114, 146, 214, 219, 228, 292, 321, 428, 438, 642, 876, 1284, 1387, 2033, 2774, 4066, 4161, 5548, 6099, 7811, 8132, 8322, 12198, 15622, 16644, 23433, 24396, 31244, 46866, 93732, 148409, 296818, 445227, 593636, 890454, 1780908]

約数ペア:

[(1, 1780908), (2, 890454), (3, 593636), (4, 445227), (6, 296818), (12, 148409), (19, 93732), (38, 46866), (57, 31244), (73, 24396), (76, 23433), (107, 16644), (114, 15622), (146, 12198), (214, 8322), (219, 8132), (228, 7811), (292, 6099), (321, 5548), (428, 4161), (438, 4066), (642, 2774), (876, 2033), (1284, 1387)]