1173020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 2494800

約数和(自身を除く): 1321780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 659, 890, 1318, 1780, 2636, 3295, 6590, 13180, 58651, 117302, 234604, 293255, 586510, 1173020]

約数ペア:

[(1, 1173020), (2, 586510), (4, 293255), (5, 234604), (10, 117302), (20, 58651), (89, 13180), (178, 6590), (356, 3295), (445, 2636), (659, 1780), (890, 1318)]