2497340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 5624640

約数和(自身を除く): 3127300

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 89, 92, 115, 122, 178, 230, 244, 305, 356, 445, 460, 610, 890, 1220, 1403, 1780, 2047, 2806, 4094, 5429, 5612, 7015, 8188, 10235, 10858, 14030, 20470, 21716, 27145, 28060, 40940, 54290, 108580, 124867, 249734, 499468, 624335, 1248670, 2497340]

約数ペア:

[(1, 2497340), (2, 1248670), (4, 624335), (5, 499468), (10, 249734), (20, 124867), (23, 108580), (46, 54290), (61, 40940), (89, 28060), (92, 27145), (115, 21716), (122, 20470), (178, 14030), (230, 10858), (244, 10235), (305, 8188), (356, 7015), (445, 5612), (460, 5429), (610, 4094), (890, 2806), (1220, 2047), (1403, 1780)]