206095280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{135589}}^1$

素因数の和:135621

約数の個数: 40

約数和(自身を含む): 504394800

約数和(自身を除く): 298299520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 135589, 271178, 542356, 677945, 1084712, 1355890, 2169424, 2576191, 2711780, 5152382, 5423560, 10304764, 10847120, 12880955, 20609528, 25761910, 41219056, 51523820, 103047640, 206095280]

約数ペア:

[(1, 206095280), (2, 103047640), (4, 51523820), (5, 41219056), (8, 25761910), (10, 20609528), (16, 12880955), (19, 10847120), (20, 10304764), (38, 5423560), (40, 5152382), (76, 2711780), (80, 2576191), (95, 2169424), (152, 1355890), (190, 1084712), (304, 677945), (380, 542356), (760, 271178), (1520, 135589)]