74812780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{4729}}^1$

素因数の和:4858

約数の個数: 48

約数和(自身を含む): 181177920

約数和(自身を除く): 106365140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 4729, 7910, 9458, 15820, 18916, 23645, 33103, 47290, 66206, 94580, 132412, 165515, 331030, 534377, 662060, 1068754, 2137508, 2671885, 3740639, 5343770, 7481278, 10687540, 14962556, 18703195, 37406390, 74812780]

約数ペア:

[(1, 74812780), (2, 37406390), (4, 18703195), (5, 14962556), (7, 10687540), (10, 7481278), (14, 5343770), (20, 3740639), (28, 2671885), (35, 2137508), (70, 1068754), (113, 662060), (140, 534377), (226, 331030), (452, 165515), (565, 132412), (791, 94580), (1130, 66206), (1582, 47290), (2260, 33103), (3164, 23645), (3955, 18916), (4729, 15820), (7910, 9458)]