2019430820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{399097}}^1$

素因数の和:399140

約数の個数: 48

約数和(自身を含む): 4827489408

約数和(自身を除く): 2808058588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 399097, 798194, 1596388, 1995485, 3990970, 4390067, 7981940, 8780134, 9179231, 17560268, 18358462, 21950335, 36716924, 43900670, 45896155, 87801340, 91792310, 100971541, 183584620, 201943082, 403886164, 504857705, 1009715410, 2019430820]

約数ペア:

[(1, 2019430820), (2, 1009715410), (4, 504857705), (5, 403886164), (10, 201943082), (11, 183584620), (20, 100971541), (22, 91792310), (23, 87801340), (44, 45896155), (46, 43900670), (55, 36716924), (92, 21950335), (110, 18358462), (115, 17560268), (220, 9179231), (230, 8780134), (253, 7981940), (460, 4390067), (506, 3990970), (1012, 1995485), (1265, 1596388), (2530, 798194), (5060, 399097)]