220193848

素因数分解:

$2^3\times 7^2\times {\mathrm{281}}^1\times {\mathrm{1999}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 482220000

約数和(自身を除く): 262026152

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 281, 392, 562, 1124, 1967, 1999, 2248, 3934, 3998, 7868, 7996, 13769, 13993, 15736, 15992, 27538, 27986, 55076, 55972, 97951, 110152, 111944, 195902, 391804, 561719, 783608, 1123438, 2246876, 3932033, 4493752, 7864066, 15728132, 27524231, 31456264, 55048462, 110096924, 220193848]

約数ペア:

[(1, 220193848), (2, 110096924), (4, 55048462), (7, 31456264), (8, 27524231), (14, 15728132), (28, 7864066), (49, 4493752), (56, 3932033), (98, 2246876), (196, 1123438), (281, 783608), (392, 561719), (562, 391804), (1124, 195902), (1967, 111944), (1999, 110152), (2248, 97951), (3934, 55972), (3998, 55076), (7868, 27986), (7996, 27538), (13769, 15992), (13993, 15736)]