284949400

素因数分解:

$2^3\times 5^2\times {\mathrm{223}}^1\times {\mathrm{6389}}^1$

素因数の和:6628

約数の個数: 48

約数和(自身を含む): 665582400

約数和(自身を除く): 380633000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 223, 446, 892, 1115, 1784, 2230, 4460, 5575, 6389, 8920, 11150, 12778, 22300, 25556, 31945, 44600, 51112, 63890, 127780, 159725, 255560, 319450, 638900, 1277800, 1424747, 2849494, 5698988, 7123735, 11397976, 14247470, 28494940, 35618675, 56989880, 71237350, 142474700, 284949400]

約数ペア:

[(1, 284949400), (2, 142474700), (4, 71237350), (5, 56989880), (8, 35618675), (10, 28494940), (20, 14247470), (25, 11397976), (40, 7123735), (50, 5698988), (100, 2849494), (200, 1424747), (223, 1277800), (446, 638900), (892, 319450), (1115, 255560), (1784, 159725), (2230, 127780), (4460, 63890), (5575, 51112), (6389, 44600), (8920, 31945), (11150, 25556), (12778, 22300)]