2479774420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1\times {\mathrm{2707}}^1$

素因数の和:3160

約数の個数: 48

約数和(自身を含む): 5260062528

約数和(自身を除く): 2780288108

約数列:

[1, 2, 4, 5, 10, 20, 163, 281, 326, 562, 652, 815, 1124, 1405, 1630, 2707, 2810, 3260, 5414, 5620, 10828, 13535, 27070, 45803, 54140, 91606, 183212, 229015, 441241, 458030, 760667, 882482, 916060, 1521334, 1764964, 2206205, 3042668, 3803335, 4412410, 7606670, 8824820, 15213340, 123988721, 247977442, 495954884, 619943605, 1239887210, 2479774420]

約数ペア:

[(1, 2479774420), (2, 1239887210), (4, 619943605), (5, 495954884), (10, 247977442), (20, 123988721), (163, 15213340), (281, 8824820), (326, 7606670), (562, 4412410), (652, 3803335), (815, 3042668), (1124, 2206205), (1405, 1764964), (1630, 1521334), (2707, 916060), (2810, 882482), (3260, 760667), (5414, 458030), (5620, 441241), (10828, 229015), (13535, 183212), (27070, 91606), (45803, 54140)]