189291025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{919}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 295695360

約数和(自身を除く): 106404335

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 107, 175, 275, 385, 535, 749, 919, 1177, 1925, 2675, 3745, 4595, 5885, 6433, 8239, 10109, 18725, 22975, 29425, 32165, 41195, 50545, 70763, 98333, 160825, 205975, 252725, 353815, 491665, 688331, 1081663, 1769075, 2458325, 3441655, 5408315, 7571641, 17208275, 27041575, 37858205, 189291025]

約数ペア:

[(1, 189291025), (5, 37858205), (7, 27041575), (11, 17208275), (25, 7571641), (35, 5408315), (55, 3441655), (77, 2458325), (107, 1769075), (175, 1081663), (275, 688331), (385, 491665), (535, 353815), (749, 252725), (919, 205975), (1177, 160825), (1925, 98333), (2675, 70763), (3745, 50545), (4595, 41195), (5885, 32165), (6433, 29425), (8239, 22975), (10109, 18725)]