218271890

素因数分解:

$2^1\times 5^1\times {\mathrm{5431}}^1\times {\mathrm{4019}}^1$

素因数の和:9457

約数の個数: 16

約数和(自身を含む): 393059520

約数和(自身を除く): 174787630

約数列:

[1, 2, 5, 10, 4019, 5431, 8038, 10862, 20095, 27155, 40190, 54310, 21827189, 43654378, 109135945, 218271890]

約数ペア:

[(1, 218271890), (2, 109135945), (5, 43654378), (10, 21827189), (4019, 54310), (5431, 40190), (8038, 27155), (10862, 20095)]