201950225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{739}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 265920480

約数和(自身を除く): 63970255

約数列:

[1, 5, 17, 25, 85, 425, 643, 739, 3215, 3695, 10931, 12563, 16075, 18475, 54655, 62815, 273275, 314075, 475177, 2375885, 8078009, 11879425, 40390045, 201950225]

約数ペア:

[(1, 201950225), (5, 40390045), (17, 11879425), (25, 8078009), (85, 2375885), (425, 475177), (643, 314075), (739, 273275), (3215, 62815), (3695, 54655), (10931, 18475), (12563, 16075)]