199065440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25391}}^1$

素因数の和:25420

約数の個数: 72

約数和(自身を含む): 547096032

約数和(自身を除く): 348030592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 25391, 50782, 101564, 126955, 177737, 203128, 253910, 355474, 406256, 507820, 710948, 812512, 888685, 1015640, 1244159, 1421896, 1777370, 2031280, 2488318, 2843792, 3554740, 4062560, 4976636, 5687584, 6220795, 7109480, 9953272, 12441590, 14218960, 19906544, 24883180, 28437920, 39813088, 49766360, 99532720, 199065440]

約数ペア:

[(1, 199065440), (2, 99532720), (4, 49766360), (5, 39813088), (7, 28437920), (8, 24883180), (10, 19906544), (14, 14218960), (16, 12441590), (20, 9953272), (28, 7109480), (32, 6220795), (35, 5687584), (40, 4976636), (49, 4062560), (56, 3554740), (70, 2843792), (80, 2488318), (98, 2031280), (112, 1777370), (140, 1421896), (160, 1244159), (196, 1015640), (224, 888685), (245, 812512), (280, 710948), (392, 507820), (490, 406256), (560, 355474), (784, 253910), (980, 203128), (1120, 177737), (1568, 126955), (1960, 101564), (3920, 50782), (7840, 25391)]