2146247980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{55921}}^1$

素因数の和:56050

約数の個数: 48

約数和(自身を含む): 4791396960

約数和(自身を除く): 2645148980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 7676, 9595, 19190, 38380, 55921, 111842, 223684, 279605, 559210, 1062499, 1118420, 2124998, 4249996, 5312495, 5648021, 10624990, 11296042, 21249980, 22592084, 28240105, 56480210, 107312399, 112960420, 214624798, 429249596, 536561995, 1073123990, 2146247980]

約数ペア:

[(1, 2146247980), (2, 1073123990), (4, 536561995), (5, 429249596), (10, 214624798), (19, 112960420), (20, 107312399), (38, 56480210), (76, 28240105), (95, 22592084), (101, 21249980), (190, 11296042), (202, 10624990), (380, 5648021), (404, 5312495), (505, 4249996), (1010, 2124998), (1919, 1118420), (2020, 1062499), (3838, 559210), (7676, 279605), (9595, 223684), (19190, 111842), (38380, 55921)]