28701860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{461}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 66128832

約数和(自身を除く): 37426972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 283, 461, 566, 922, 1132, 1415, 1844, 2305, 2830, 3113, 4610, 5071, 5660, 6226, 9220, 10142, 12452, 15565, 20284, 25355, 31130, 50710, 62260, 101420, 130463, 260926, 521852, 652315, 1304630, 1435093, 2609260, 2870186, 5740372, 7175465, 14350930, 28701860]

約数ペア:

[(1, 28701860), (2, 14350930), (4, 7175465), (5, 5740372), (10, 2870186), (11, 2609260), (20, 1435093), (22, 1304630), (44, 652315), (55, 521852), (110, 260926), (220, 130463), (283, 101420), (461, 62260), (566, 50710), (922, 31130), (1132, 25355), (1415, 20284), (1844, 15565), (2305, 12452), (2830, 10142), (3113, 9220), (4610, 6226), (5071, 5660)]