212868920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11251}}^1$

素因数の和:11316

約数の個数: 64

約数和(自身を含む): 534695040

約数和(自身を除く): 321826120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 11251, 18920, 22502, 45004, 56255, 90008, 112510, 123761, 225020, 247522, 450040, 483793, 495044, 618805, 967586, 990088, 1237610, 1935172, 2418965, 2475220, 3870344, 4837930, 4950440, 5321723, 9675860, 10643446, 19351720, 21286892, 26608615, 42573784, 53217230, 106434460, 212868920]

約数ペア:

[(1, 212868920), (2, 106434460), (4, 53217230), (5, 42573784), (8, 26608615), (10, 21286892), (11, 19351720), (20, 10643446), (22, 9675860), (40, 5321723), (43, 4950440), (44, 4837930), (55, 3870344), (86, 2475220), (88, 2418965), (110, 1935172), (172, 1237610), (215, 990088), (220, 967586), (344, 618805), (430, 495044), (440, 483793), (473, 450040), (860, 247522), (946, 225020), (1720, 123761), (1892, 112510), (2365, 90008), (3784, 56255), (4730, 45004), (9460, 22502), (11251, 18920)]