320486075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 492468480

約数和(自身を除く): 171982405

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 179, 325, 455, 787, 895, 1253, 2275, 2327, 3935, 4475, 5509, 6265, 10231, 11635, 16289, 19675, 27545, 31325, 51155, 58175, 71617, 81445, 137725, 140873, 255775, 358085, 407225, 704365, 986111, 1790425, 1831349, 3521825, 4930555, 9156745, 12819443, 24652775, 45783725, 64097215, 320486075]

約数ペア:

[(1, 320486075), (5, 64097215), (7, 45783725), (13, 24652775), (25, 12819443), (35, 9156745), (65, 4930555), (91, 3521825), (175, 1831349), (179, 1790425), (325, 986111), (455, 704365), (787, 407225), (895, 358085), (1253, 255775), (2275, 140873), (2327, 137725), (3935, 81445), (4475, 71617), (5509, 58175), (6265, 51155), (10231, 31325), (11635, 27545), (16289, 19675)]