320475964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71471}}^1$

素因数の和:71553

約数の個数: 24

約数和(自身を含む): 600364800

約数和(自身を除く): 279888836

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4484, 71471, 142942, 285884, 1357949, 2715898, 4216789, 5431796, 8433578, 16867156, 80118991, 160237982, 320475964]

約数ペア:

[(1, 320475964), (2, 160237982), (4, 80118991), (19, 16867156), (38, 8433578), (59, 5431796), (76, 4216789), (118, 2715898), (236, 1357949), (1121, 285884), (2242, 142942), (4484, 71471)]