2190790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 4875552

約数和(自身を除く): 2684762

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 263, 490, 526, 595, 833, 1190, 1315, 1666, 1841, 2630, 3682, 4165, 4471, 8330, 8942, 9205, 12887, 18410, 22355, 25774, 31297, 44710, 62594, 64435, 128870, 156485, 219079, 312970, 438158, 1095395, 2190790]

約数ペア:

[(1, 2190790), (2, 1095395), (5, 438158), (7, 312970), (10, 219079), (14, 156485), (17, 128870), (34, 64435), (35, 62594), (49, 44710), (70, 31297), (85, 25774), (98, 22355), (119, 18410), (170, 12887), (238, 9205), (245, 8942), (263, 8330), (490, 4471), (526, 4165), (595, 3682), (833, 2630), (1190, 1841), (1315, 1666)]