9923500

素因数分解:

$2^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 12091220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 125, 178, 223, 250, 356, 445, 446, 500, 890, 892, 1115, 1780, 2225, 2230, 4450, 4460, 5575, 8900, 11125, 11150, 19847, 22250, 22300, 27875, 39694, 44500, 55750, 79388, 99235, 111500, 198470, 396940, 496175, 992350, 1984700, 2480875, 4961750, 9923500]

約数ペア:

[(1, 9923500), (2, 4961750), (4, 2480875), (5, 1984700), (10, 992350), (20, 496175), (25, 396940), (50, 198470), (89, 111500), (100, 99235), (125, 79388), (178, 55750), (223, 44500), (250, 39694), (356, 27875), (445, 22300), (446, 22250), (500, 19847), (890, 11150), (892, 11125), (1115, 8900), (1780, 5575), (2225, 4460), (2230, 4450)]