204823480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{301211}}^1$

素因数の和:301239

約数の個数: 32

約数和(自身を含む): 487963440

約数和(自身を除く): 283139960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 301211, 602422, 1204844, 1506055, 2409688, 3012110, 5120587, 6024220, 10241174, 12048440, 20482348, 25602935, 40964696, 51205870, 102411740, 204823480]

約数ペア:

[(1, 204823480), (2, 102411740), (4, 51205870), (5, 40964696), (8, 25602935), (10, 20482348), (17, 12048440), (20, 10241174), (34, 6024220), (40, 5120587), (68, 3012110), (85, 2409688), (136, 1506055), (170, 1204844), (340, 602422), (680, 301211)]