30899020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17359}}^1$

素因数の和:17457

約数の個数: 24

約数和(自身を含む): 65620800

約数和(自身を除く): 34721780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 17359, 34718, 69436, 86795, 173590, 347180, 1544951, 3089902, 6179804, 7724755, 15449510, 30899020]

約数ペア:

[(1, 30899020), (2, 15449510), (4, 7724755), (5, 6179804), (10, 3089902), (20, 1544951), (89, 347180), (178, 173590), (356, 86795), (445, 69436), (890, 34718), (1780, 17359)]