206566480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{135899}}^1$

素因数の和:135931

約数の個数: 40

約数和(自身を含む): 505548000

約数和(自身を除く): 298981520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 135899, 271798, 543596, 679495, 1087192, 1358990, 2174384, 2582081, 2717980, 5164162, 5435960, 10328324, 10871920, 12910405, 20656648, 25820810, 41313296, 51641620, 103283240, 206566480]

約数ペア:

[(1, 206566480), (2, 103283240), (4, 51641620), (5, 41313296), (8, 25820810), (10, 20656648), (16, 12910405), (19, 10871920), (20, 10328324), (38, 5435960), (40, 5164162), (76, 2717980), (80, 2582081), (95, 2174384), (152, 1358990), (190, 1087192), (304, 679495), (380, 543596), (760, 271798), (1520, 135899)]