319665680

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17449}}^1$

素因数の和:17691

約数の個数: 40

約数和(自身を含む): 746511000

約数和(自身を除く): 426845320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 17449, 18320, 34898, 69796, 87245, 139592, 174490, 279184, 348980, 697960, 1395920, 3995821, 7991642, 15983284, 19979105, 31966568, 39958210, 63933136, 79916420, 159832840, 319665680]

約数ペア:

[(1, 319665680), (2, 159832840), (4, 79916420), (5, 63933136), (8, 39958210), (10, 31966568), (16, 19979105), (20, 15983284), (40, 7991642), (80, 3995821), (229, 1395920), (458, 697960), (916, 348980), (1145, 279184), (1832, 174490), (2290, 139592), (3664, 87245), (4580, 69796), (9160, 34898), (17449, 18320)]