378900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{421}}^1$

素因数の和:441

約数の個数: 54

約数和(自身を含む): 1190462

約数和(自身を除く): 811562

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 421, 450, 842, 900, 1263, 1684, 2105, 2526, 3789, 4210, 5052, 6315, 7578, 8420, 10525, 12630, 15156, 18945, 21050, 25260, 31575, 37890, 42100, 63150, 75780, 94725, 126300, 189450, 378900]

約数ペア:

[(1, 378900), (2, 189450), (3, 126300), (4, 94725), (5, 75780), (6, 63150), (9, 42100), (10, 37890), (12, 31575), (15, 25260), (18, 21050), (20, 18945), (25, 15156), (30, 12630), (36, 10525), (45, 8420), (50, 7578), (60, 6315), (75, 5052), (90, 4210), (100, 3789), (150, 2526), (180, 2105), (225, 1684), (300, 1263), (421, 900), (450, 842)]