994399280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{2011}}^1$

素因数の和:2914

約数の個数: 80

約数和(自身を含む): 2646568704

約数和(自身を除く): 1652169424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 883, 1766, 2011, 3532, 4022, 4415, 6181, 7064, 8044, 8830, 10055, 12362, 14077, 14128, 16088, 17660, 20110, 24724, 28154, 30905, 32176, 35320, 40220, 49448, 56308, 61810, 70385, 70640, 80440, 98896, 112616, 123620, 140770, 160880, 225232, 247240, 281540, 494480, 563080, 1126160, 1775713, 3551426, 7102852, 8878565, 12429991, 14205704, 17757130, 24859982, 28411408, 35514260, 49719964, 62149955, 71028520, 99439928, 124299910, 142057040, 198879856, 248599820, 497199640, 994399280]

約数ペア:

[(1, 994399280), (2, 497199640), (4, 248599820), (5, 198879856), (7, 142057040), (8, 124299910), (10, 99439928), (14, 71028520), (16, 62149955), (20, 49719964), (28, 35514260), (35, 28411408), (40, 24859982), (56, 17757130), (70, 14205704), (80, 12429991), (112, 8878565), (140, 7102852), (280, 3551426), (560, 1775713), (883, 1126160), (1766, 563080), (2011, 494480), (3532, 281540), (4022, 247240), (4415, 225232), (6181, 160880), (7064, 140770), (8044, 123620), (8830, 112616), (10055, 98896), (12362, 80440), (14077, 70640), (14128, 70385), (16088, 61810), (17660, 56308), (20110, 49448), (24724, 40220), (28154, 35320), (30905, 32176)]