74458120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 183902400

約数和(自身を除く): 109444280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 859, 985, 1576, 1718, 1970, 2167, 3436, 3940, 4295, 4334, 6872, 7880, 8590, 8668, 9449, 10835, 17180, 17336, 18898, 21670, 34360, 37796, 43340, 47245, 75592, 86680, 94490, 169223, 188980, 338446, 377960, 676892, 846115, 1353784, 1692230, 1861453, 3384460, 3722906, 6768920, 7445812, 9307265, 14891624, 18614530, 37229060, 74458120]

約数ペア:

[(1, 74458120), (2, 37229060), (4, 18614530), (5, 14891624), (8, 9307265), (10, 7445812), (11, 6768920), (20, 3722906), (22, 3384460), (40, 1861453), (44, 1692230), (55, 1353784), (88, 846115), (110, 676892), (197, 377960), (220, 338446), (394, 188980), (440, 169223), (788, 94490), (859, 86680), (985, 75592), (1576, 47245), (1718, 43340), (1970, 37796), (2167, 34360), (3436, 21670), (3940, 18898), (4295, 17336), (4334, 17180), (6872, 10835), (7880, 9449), (8590, 8668)]