239958520

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{7883}}^1$

素因数の和:8655

約数の個数: 32

約数和(自身を含む): 540684720

約数和(自身を除く): 300726200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 7610, 7883, 15220, 15766, 30440, 31532, 39415, 63064, 78830, 157660, 315320, 5998963, 11997926, 23995852, 29994815, 47991704, 59989630, 119979260, 239958520]

約数ペア:

[(1, 239958520), (2, 119979260), (4, 59989630), (5, 47991704), (8, 29994815), (10, 23995852), (20, 11997926), (40, 5998963), (761, 315320), (1522, 157660), (3044, 78830), (3805, 63064), (6088, 39415), (7610, 31532), (7883, 30440), (15220, 15766)]