684003325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 940475520

約数和(自身を除く): 256472195

約数列:

[1, 5, 19, 23, 25, 95, 115, 137, 437, 457, 475, 575, 685, 2185, 2285, 2603, 3151, 3425, 8683, 10511, 10925, 11425, 13015, 15755, 43415, 52555, 59869, 62609, 65075, 78775, 199709, 217075, 262775, 299345, 313045, 998545, 1189571, 1440007, 1496725, 1565225, 4992725, 5947855, 7200035, 27360133, 29739275, 36000175, 136800665, 684003325]

約数ペア:

[(1, 684003325), (5, 136800665), (19, 36000175), (23, 29739275), (25, 27360133), (95, 7200035), (115, 5947855), (137, 4992725), (437, 1565225), (457, 1496725), (475, 1440007), (575, 1189571), (685, 998545), (2185, 313045), (2285, 299345), (2603, 262775), (3151, 217075), (3425, 199709), (8683, 78775), (10511, 65075), (10925, 62609), (11425, 59869), (13015, 52555), (15755, 43415)]