1140140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 2420880

約数和(自身を除く): 1280740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 523, 545, 1046, 1090, 2092, 2180, 2615, 5230, 10460, 57007, 114014, 228028, 285035, 570070, 1140140]

約数ペア:

[(1, 1140140), (2, 570070), (4, 285035), (5, 228028), (10, 114014), (20, 57007), (109, 10460), (218, 5230), (436, 2615), (523, 2180), (545, 2092), (1046, 1090)]