17199980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17551}}^1$

素因数の和:17574

約数の個数: 36

約数和(自身を含む): 42019488

約数和(自身を除く): 24819508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 17551, 35102, 70204, 87755, 122857, 175510, 245714, 351020, 491428, 614285, 859999, 1228570, 1719998, 2457140, 3439996, 4299995, 8599990, 17199980]

約数ペア:

[(1, 17199980), (2, 8599990), (4, 4299995), (5, 3439996), (7, 2457140), (10, 1719998), (14, 1228570), (20, 859999), (28, 614285), (35, 491428), (49, 351020), (70, 245714), (98, 175510), (140, 122857), (196, 87755), (245, 70204), (490, 35102), (980, 17551)]