349119080

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{33961}}^1$

素因数の和:34229

約数の個数: 32

約数和(自身を含む): 788597640

約数和(自身を除く): 439478560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 33961, 67922, 135844, 169805, 271688, 339610, 679220, 1358440, 8727977, 17455954, 34911908, 43639885, 69823816, 87279770, 174559540, 349119080]

約数ペア:

[(1, 349119080), (2, 174559540), (4, 87279770), (5, 69823816), (8, 43639885), (10, 34911908), (20, 17455954), (40, 8727977), (257, 1358440), (514, 679220), (1028, 339610), (1285, 271688), (2056, 169805), (2570, 135844), (5140, 67922), (10280, 33961)]