243667880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{62801}}^1$

素因数の和:62909

約数の個数: 32

約数和(自身を含む): 553913640

約数和(自身を除く): 310245760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 62801, 125602, 251204, 314005, 502408, 628010, 1256020, 2512040, 6091697, 12183394, 24366788, 30458485, 48733576, 60916970, 121833940, 243667880]

約数ペア:

[(1, 243667880), (2, 121833940), (4, 60916970), (5, 48733576), (8, 30458485), (10, 24366788), (20, 12183394), (40, 6091697), (97, 2512040), (194, 1256020), (388, 628010), (485, 502408), (776, 314005), (970, 251204), (1940, 125602), (3880, 62801)]