2539670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 5466528

約数和(自身を除く): 2926858

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 73, 98, 142, 146, 245, 355, 365, 490, 497, 511, 710, 730, 994, 1022, 2485, 2555, 3479, 3577, 4970, 5110, 5183, 6958, 7154, 10366, 17395, 17885, 25915, 34790, 35770, 36281, 51830, 72562, 181405, 253967, 362810, 507934, 1269835, 2539670]

約数ペア:

[(1, 2539670), (2, 1269835), (5, 507934), (7, 362810), (10, 253967), (14, 181405), (35, 72562), (49, 51830), (70, 36281), (71, 35770), (73, 34790), (98, 25915), (142, 17885), (146, 17395), (245, 10366), (355, 7154), (365, 6958), (490, 5183), (497, 5110), (511, 4970), (710, 3577), (730, 3479), (994, 2555), (1022, 2485)]