194893640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2539}}^1$

素因数の和:2670

約数の個数: 64

約数和(自身を含む): 466344000

約数和(自身を除く): 271450360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 760, 808, 1010, 1919, 2020, 2539, 3838, 4040, 5078, 7676, 9595, 10156, 12695, 15352, 19190, 20312, 25390, 38380, 48241, 50780, 76760, 96482, 101560, 192964, 241205, 256439, 385928, 482410, 512878, 964820, 1025756, 1282195, 1929640, 2051512, 2564390, 4872341, 5128780, 9744682, 10257560, 19489364, 24361705, 38978728, 48723410, 97446820, 194893640]

約数ペア:

[(1, 194893640), (2, 97446820), (4, 48723410), (5, 38978728), (8, 24361705), (10, 19489364), (19, 10257560), (20, 9744682), (38, 5128780), (40, 4872341), (76, 2564390), (95, 2051512), (101, 1929640), (152, 1282195), (190, 1025756), (202, 964820), (380, 512878), (404, 482410), (505, 385928), (760, 256439), (808, 241205), (1010, 192964), (1919, 101560), (2020, 96482), (2539, 76760), (3838, 50780), (4040, 48241), (5078, 38380), (7676, 25390), (9595, 20312), (10156, 19190), (12695, 15352)]