2089640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 5702400

約数和(自身を除く): 3612760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 439, 476, 595, 680, 878, 952, 1190, 1756, 2195, 2380, 3073, 3512, 4390, 4760, 6146, 7463, 8780, 12292, 14926, 15365, 17560, 24584, 29852, 30730, 37315, 52241, 59704, 61460, 74630, 104482, 122920, 149260, 208964, 261205, 298520, 417928, 522410, 1044820, 2089640]

約数ペア:

[(1, 2089640), (2, 1044820), (4, 522410), (5, 417928), (7, 298520), (8, 261205), (10, 208964), (14, 149260), (17, 122920), (20, 104482), (28, 74630), (34, 61460), (35, 59704), (40, 52241), (56, 37315), (68, 30730), (70, 29852), (85, 24584), (119, 17560), (136, 15365), (140, 14926), (170, 12292), (238, 8780), (280, 7463), (340, 6146), (439, 4760), (476, 4390), (595, 3512), (680, 3073), (878, 2380), (952, 2195), (1190, 1756)]