194927390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{397811}}^1$

素因数の和:397832

約数の個数: 24

約数和(自身を含む): 408155112

約数和(自身を除く): 213227722

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 397811, 795622, 1989055, 2784677, 3978110, 5569354, 13923385, 19492739, 27846770, 38985478, 97463695, 194927390]

約数ペア:

[(1, 194927390), (2, 97463695), (5, 38985478), (7, 27846770), (10, 19492739), (14, 13923385), (35, 5569354), (49, 3978110), (70, 2784677), (98, 1989055), (245, 795622), (490, 397811)]