398464380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{737897}}^1$

素因数の和:737915

約数の個数: 48

約数和(自身を含む): 1239668640

約数和(自身を除く): 841204260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 737897, 1475794, 2213691, 2951588, 3689485, 4427382, 6641073, 7378970, 8854764, 11068455, 13282146, 14757940, 19923219, 22136910, 26564292, 33205365, 39846438, 44273820, 66410730, 79692876, 99616095, 132821460, 199232190, 398464380]

約数ペア:

[(1, 398464380), (2, 199232190), (3, 132821460), (4, 99616095), (5, 79692876), (6, 66410730), (9, 44273820), (10, 39846438), (12, 33205365), (15, 26564292), (18, 22136910), (20, 19923219), (27, 14757940), (30, 13282146), (36, 11068455), (45, 8854764), (54, 7378970), (60, 6641073), (90, 4427382), (108, 3689485), (135, 2951588), (180, 2213691), (270, 1475794), (540, 737897)]