214996810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{438769}}^1$

素因数の和:438790

約数の個数: 24

約数和(自身を含む): 450178020

約数和(自身を除く): 235181210

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 438769, 877538, 2193845, 3071383, 4387690, 6142766, 15356915, 21499681, 30713830, 42999362, 107498405, 214996810]

約数ペア:

[(1, 214996810), (2, 107498405), (5, 42999362), (7, 30713830), (10, 21499681), (14, 15356915), (35, 6142766), (49, 4387690), (70, 3071383), (98, 2193845), (245, 877538), (490, 438769)]