207680004

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{274709}}^1$

素因数の和:274729

約数の個数: 48

約数和(自身を含む): 615350400

約数和(自身を除く): 407670396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 274709, 549418, 824127, 1098836, 1648254, 1922963, 2472381, 3296508, 3845926, 4944762, 5768889, 7417143, 7691852, 9889524, 11537778, 14834286, 17306667, 23075556, 29668572, 34613334, 51920001, 69226668, 103840002, 207680004]

約数ペア:

[(1, 207680004), (2, 103840002), (3, 69226668), (4, 51920001), (6, 34613334), (7, 29668572), (9, 23075556), (12, 17306667), (14, 14834286), (18, 11537778), (21, 9889524), (27, 7691852), (28, 7417143), (36, 5768889), (42, 4944762), (54, 3845926), (63, 3296508), (84, 2472381), (108, 1922963), (126, 1648254), (189, 1098836), (252, 824127), (378, 549418), (756, 274709)]