189706870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1\times {\mathrm{647}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 346420800

約数和(自身を除く): 156713930

約数列:

[1, 2, 5, 10, 109, 218, 269, 538, 545, 647, 1090, 1294, 1345, 2690, 3235, 6470, 29321, 58642, 70523, 141046, 146605, 174043, 293210, 348086, 352615, 705230, 870215, 1740430, 18970687, 37941374, 94853435, 189706870]

約数ペア:

[(1, 189706870), (2, 94853435), (5, 37941374), (10, 18970687), (109, 1740430), (218, 870215), (269, 705230), (538, 352615), (545, 348086), (647, 293210), (1090, 174043), (1294, 146605), (1345, 141046), (2690, 70523), (3235, 58642), (6470, 29321)]