2978060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 6985440

約数和(自身を除く): 4007380

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 461, 646, 922, 1292, 1615, 1844, 2305, 3230, 4610, 6460, 7837, 8759, 9220, 15674, 17518, 31348, 35036, 39185, 43795, 78370, 87590, 148903, 156740, 175180, 297806, 595612, 744515, 1489030, 2978060]

約数ペア:

[(1, 2978060), (2, 1489030), (4, 744515), (5, 595612), (10, 297806), (17, 175180), (19, 156740), (20, 148903), (34, 87590), (38, 78370), (68, 43795), (76, 39185), (85, 35036), (95, 31348), (170, 17518), (190, 15674), (323, 9220), (340, 8759), (380, 7837), (461, 6460), (646, 4610), (922, 3230), (1292, 2305), (1615, 1844)]