2012309860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{8233}}^1$

素因数の和:8365

約数の個数: 72

約数和(自身を含む): 4691502648

約数和(自身を除く): 2679192788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 404, 484, 505, 605, 1010, 1111, 1210, 2020, 2222, 2420, 4444, 5555, 8233, 11110, 12221, 16466, 22220, 24442, 32932, 41165, 48884, 61105, 82330, 90563, 122210, 164660, 181126, 244420, 362252, 452815, 831533, 905630, 996193, 1663066, 1811260, 1992386, 3326132, 3984772, 4157665, 4980965, 8315330, 9146863, 9961930, 16630660, 18293726, 19923860, 36587452, 45734315, 91468630, 100615493, 182937260, 201230986, 402461972, 503077465, 1006154930, 2012309860]

約数ペア:

[(1, 2012309860), (2, 1006154930), (4, 503077465), (5, 402461972), (10, 201230986), (11, 182937260), (20, 100615493), (22, 91468630), (44, 45734315), (55, 36587452), (101, 19923860), (110, 18293726), (121, 16630660), (202, 9961930), (220, 9146863), (242, 8315330), (404, 4980965), (484, 4157665), (505, 3984772), (605, 3326132), (1010, 1992386), (1111, 1811260), (1210, 1663066), (2020, 996193), (2222, 905630), (2420, 831533), (4444, 452815), (5555, 362252), (8233, 244420), (11110, 181126), (12221, 164660), (16466, 122210), (22220, 90563), (24442, 82330), (32932, 61105), (41165, 48884)]