203910100

素因数分解:

$2^2\times 5^2\times {\mathrm{241}}^1\times {\mathrm{8461}}^1$

素因数の和:8716

約数の個数: 36

約数和(自身を含む): 444373468

約数和(自身を除く): 240463368

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 241, 482, 964, 1205, 2410, 4820, 6025, 8461, 12050, 16922, 24100, 33844, 42305, 84610, 169220, 211525, 423050, 846100, 2039101, 4078202, 8156404, 10195505, 20391010, 40782020, 50977525, 101955050, 203910100]

約数ペア:

[(1, 203910100), (2, 101955050), (4, 50977525), (5, 40782020), (10, 20391010), (20, 10195505), (25, 8156404), (50, 4078202), (100, 2039101), (241, 846100), (482, 423050), (964, 211525), (1205, 169220), (2410, 84610), (4820, 42305), (6025, 33844), (8461, 24100), (12050, 16922)]