28781580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25247}}^1$

素因数の和:25278

約数の個数: 48

約数和(自身を含む): 84833280

約数和(自身を除く): 56051700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 25247, 50494, 75741, 100988, 126235, 151482, 252470, 302964, 378705, 479693, 504940, 757410, 959386, 1439079, 1514820, 1918772, 2398465, 2878158, 4796930, 5756316, 7195395, 9593860, 14390790, 28781580]

約数ペア:

[(1, 28781580), (2, 14390790), (3, 9593860), (4, 7195395), (5, 5756316), (6, 4796930), (10, 2878158), (12, 2398465), (15, 1918772), (19, 1514820), (20, 1439079), (30, 959386), (38, 757410), (57, 504940), (60, 479693), (76, 378705), (95, 302964), (114, 252470), (190, 151482), (228, 126235), (285, 100988), (380, 75741), (570, 50494), (1140, 25247)]