2144900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 4726260

約数和(自身を除く): 2581360

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 241, 356, 445, 482, 890, 964, 1205, 1780, 2225, 2410, 4450, 4820, 6025, 8900, 12050, 21449, 24100, 42898, 85796, 107245, 214490, 428980, 536225, 1072450, 2144900]

約数ペア:

[(1, 2144900), (2, 1072450), (4, 536225), (5, 428980), (10, 214490), (20, 107245), (25, 85796), (50, 42898), (89, 24100), (100, 21449), (178, 12050), (241, 8900), (356, 6025), (445, 4820), (482, 4450), (890, 2410), (964, 2225), (1205, 1780)]