238970440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{206009}}^1$

素因数の和:206049

約数の個数: 32

約数和(自身を含む): 556227000

約数和(自身を除く): 317256560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 206009, 412018, 824036, 1030045, 1648072, 2060090, 4120180, 5974261, 8240360, 11948522, 23897044, 29871305, 47794088, 59742610, 119485220, 238970440]

約数ペア:

[(1, 238970440), (2, 119485220), (4, 59742610), (5, 47794088), (8, 29871305), (10, 23897044), (20, 11948522), (29, 8240360), (40, 5974261), (58, 4120180), (116, 2060090), (145, 1648072), (232, 1030045), (290, 824036), (580, 412018), (1160, 206009)]