280874032

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{197243}}^1$

素因数の和:197340

約数の個数: 20

約数和(自身を含む): 550310760

約数和(自身を除く): 269436728

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 197243, 394486, 788972, 1577944, 3155888, 17554627, 35109254, 70218508, 140437016, 280874032]

約数ペア:

[(1, 280874032), (2, 140437016), (4, 70218508), (8, 35109254), (16, 17554627), (89, 3155888), (178, 1577944), (356, 788972), (712, 394486), (1424, 197243)]