194640980

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{17989}}^1$

素因数の和:18539

約数の個数: 24

約数和(自身を含む): 409524360

約数和(自身を除く): 214883380

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 17989, 35978, 71956, 89945, 179890, 359780, 9732049, 19464098, 38928196, 48660245, 97320490, 194640980]

約数ペア:

[(1, 194640980), (2, 97320490), (4, 48660245), (5, 38928196), (10, 19464098), (20, 9732049), (541, 359780), (1082, 179890), (2164, 89945), (2705, 71956), (5410, 35978), (10820, 17989)]