28578270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19441}}^1$

素因数の和:19465

約数の個数: 48

約数和(自身を含む): 79789968

約数和(自身を除く): 51211698

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 19441, 38882, 58323, 97205, 116646, 136087, 194410, 272174, 291615, 408261, 583230, 680435, 816522, 952609, 1360870, 1905218, 2041305, 2857827, 4082610, 4763045, 5715654, 9526090, 14289135, 28578270]

約数ペア:

[(1, 28578270), (2, 14289135), (3, 9526090), (5, 5715654), (6, 4763045), (7, 4082610), (10, 2857827), (14, 2041305), (15, 1905218), (21, 1360870), (30, 952609), (35, 816522), (42, 680435), (49, 583230), (70, 408261), (98, 291615), (105, 272174), (147, 194410), (210, 136087), (245, 116646), (294, 97205), (490, 58323), (735, 38882), (1470, 19441)]