140443408

素因数分解:

$2^4\times 7^3\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:349

約数の個数: 80

約数和(自身を含む): 321308800

約数和(自身を除く): 180865392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 157, 163, 196, 314, 326, 343, 392, 628, 652, 686, 784, 1099, 1141, 1256, 1304, 1372, 2198, 2282, 2512, 2608, 2744, 4396, 4564, 5488, 7693, 7987, 8792, 9128, 15386, 15974, 17584, 18256, 25591, 30772, 31948, 51182, 53851, 55909, 61544, 63896, 102364, 107702, 111818, 123088, 127792, 179137, 204728, 215404, 223636, 358274, 409456, 430808, 447272, 716548, 861616, 894544, 1253959, 1433096, 2507918, 2866192, 5015836, 8777713, 10031672, 17555426, 20063344, 35110852, 70221704, 140443408]

約数ペア:

[(1, 140443408), (2, 70221704), (4, 35110852), (7, 20063344), (8, 17555426), (14, 10031672), (16, 8777713), (28, 5015836), (49, 2866192), (56, 2507918), (98, 1433096), (112, 1253959), (157, 894544), (163, 861616), (196, 716548), (314, 447272), (326, 430808), (343, 409456), (392, 358274), (628, 223636), (652, 215404), (686, 204728), (784, 179137), (1099, 127792), (1141, 123088), (1256, 111818), (1304, 107702), (1372, 102364), (2198, 63896), (2282, 61544), (2512, 55909), (2608, 53851), (2744, 51182), (4396, 31948), (4564, 30772), (5488, 25591), (7693, 18256), (7987, 17584), (8792, 15974), (9128, 15386)]