200424440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56299}}^1$

素因数の和:56399

約数の個数: 32

約数和(自身を含む): 456030000

約数和(自身を除く): 255605560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56299, 112598, 225196, 281495, 450392, 562990, 1125980, 2251960, 5010611, 10021222, 20042444, 25053055, 40084888, 50106110, 100212220, 200424440]

約数ペア:

[(1, 200424440), (2, 100212220), (4, 50106110), (5, 40084888), (8, 25053055), (10, 20042444), (20, 10021222), (40, 5010611), (89, 2251960), (178, 1125980), (356, 562990), (445, 450392), (712, 281495), (890, 225196), (1780, 112598), (3560, 56299)]