197580160

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2221}}^1$

素因数の和:2379

約数の個数: 64

約数和(自身を含む): 475952400

約数和(自身を除く): 278372240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 2221, 2224, 2780, 4442, 4448, 5560, 8884, 8896, 11105, 11120, 17768, 17792, 22210, 22240, 35536, 44420, 44480, 71072, 88840, 88960, 142144, 177680, 284288, 308719, 355360, 617438, 710720, 1234876, 1421440, 1543595, 2469752, 3087190, 4939504, 6174380, 9879008, 12348760, 19758016, 24697520, 39516032, 49395040, 98790080, 197580160]

約数ペア:

[(1, 197580160), (2, 98790080), (4, 49395040), (5, 39516032), (8, 24697520), (10, 19758016), (16, 12348760), (20, 9879008), (32, 6174380), (40, 4939504), (64, 3087190), (80, 2469752), (128, 1543595), (139, 1421440), (160, 1234876), (278, 710720), (320, 617438), (556, 355360), (640, 308719), (695, 284288), (1112, 177680), (1390, 142144), (2221, 88960), (2224, 88840), (2780, 71072), (4442, 44480), (4448, 44420), (5560, 35536), (8884, 22240), (8896, 22210), (11105, 17792), (11120, 17768)]