449200

素因数分解:

$2^4\times 5^2\times {\mathrm{1123}}^1$

素因数の和:1141

約数の個数: 30

約数和(自身を含む): 1080164

約数和(自身を除く): 630964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1123, 2246, 4492, 5615, 8984, 11230, 17968, 22460, 28075, 44920, 56150, 89840, 112300, 224600, 449200]

約数ペア:

[(1, 449200), (2, 224600), (4, 112300), (5, 89840), (8, 56150), (10, 44920), (16, 28075), (20, 22460), (25, 17968), (40, 11230), (50, 8984), (80, 5615), (100, 4492), (200, 2246), (400, 1123)]