380418040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{106859}}^1$

素因数の和:106959

約数の個数: 32

約数和(自身を含む): 865566000

約数和(自身を除く): 485147960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 106859, 213718, 427436, 534295, 854872, 1068590, 2137180, 4274360, 9510451, 19020902, 38041804, 47552255, 76083608, 95104510, 190209020, 380418040]

約数ペア:

[(1, 380418040), (2, 190209020), (4, 95104510), (5, 76083608), (8, 47552255), (10, 38041804), (20, 19020902), (40, 9510451), (89, 4274360), (178, 2137180), (356, 1068590), (445, 854872), (712, 534295), (890, 427436), (1780, 213718), (3560, 106859)]