293538040

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{17431}}^1$

素因数の和:17863

約数の個数: 32

約数和(自身を含む): 662067360

約数和(自身を除く): 368529320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 17431, 34862, 69724, 87155, 139448, 174310, 348620, 697240, 7338451, 14676902, 29353804, 36692255, 58707608, 73384510, 146769020, 293538040]

約数ペア:

[(1, 293538040), (2, 146769020), (4, 73384510), (5, 58707608), (8, 36692255), (10, 29353804), (20, 14676902), (40, 7338451), (421, 697240), (842, 348620), (1684, 174310), (2105, 139448), (3368, 87155), (4210, 69724), (8420, 34862), (16840, 17431)]