1330786790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{8573}}^1$

素因数の和:8661

約数の個数: 48

約数和(自身を含む): 2587221648

約数和(自身を除く): 1256434858

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 361, 430, 722, 817, 1634, 1805, 3610, 4085, 8170, 8573, 15523, 17146, 31046, 42865, 77615, 85730, 155230, 162887, 325774, 368639, 737278, 814435, 1628870, 1843195, 3094853, 3686390, 6189706, 7004141, 14008282, 15474265, 30948530, 35020705, 70041410, 133078679, 266157358, 665393395, 1330786790]

約数ペア:

[(1, 1330786790), (2, 665393395), (5, 266157358), (10, 133078679), (19, 70041410), (38, 35020705), (43, 30948530), (86, 15474265), (95, 14008282), (190, 7004141), (215, 6189706), (361, 3686390), (430, 3094853), (722, 1843195), (817, 1628870), (1634, 814435), (1805, 737278), (3610, 368639), (4085, 325774), (8170, 162887), (8573, 155230), (15523, 85730), (17146, 77615), (31046, 42865)]