9149770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 19502208

約数和(自身を除く): 10352438

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 263, 355, 490, 497, 526, 710, 994, 1315, 1841, 2485, 2630, 3479, 3682, 4970, 6958, 9205, 12887, 17395, 18410, 18673, 25774, 34790, 37346, 64435, 93365, 128870, 130711, 186730, 261422, 653555, 914977, 1307110, 1829954, 4574885, 9149770]

約数ペア:

[(1, 9149770), (2, 4574885), (5, 1829954), (7, 1307110), (10, 914977), (14, 653555), (35, 261422), (49, 186730), (70, 130711), (71, 128870), (98, 93365), (142, 64435), (245, 37346), (263, 34790), (355, 25774), (490, 18673), (497, 18410), (526, 17395), (710, 12887), (994, 9205), (1315, 6958), (1841, 4970), (2485, 3682), (2630, 3479)]